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  • Chemistry  (13,620)
  • GEOPHYSICS  (1,502)
  • 1980-1984  (15,122)
  • 1975-1979
  • 1984  (7,530)
  • 1981  (7,592)
Collection
Keywords
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Years
  • 1980-1984  (15,122)
  • 1975-1979
Year
  • 101
    Electronic Resource
    Electronic Resource
    Analysis of urine by liquid chromatography in the ion-exchange or hydrophobic modeThis paper was presented in part at the 1980 Pittsburgh Conference, Atlantic City, N. J., March 1980. (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 500-507 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; Weak anion exchanger ; Octadecyl bonded packing ; Urine analysis ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The analysis of ultraviolet-absorbing constituents in urine was undertaken by anion-exchange and reversed-phase liquid chromatography. A newly developed anion exchanger (TSK-IEX540 DEAE) was used for ion-exchange mode liquid chromatography and its high polarity and physical strength greatly reduced the analysis time. Up to 80 peaks were resolved within 30 min. Hydrophobicity values were used to predict the retention times of acids in reversed-phase mode liquid chromatography.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041005
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  • 102
    Electronic Resource
    Electronic Resource
    Role of injection time and septum holder in split injection of polycyclic aromatic hydrocarbons (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 523-524 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Split injection ; Injection time influence ; PAH ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041009
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  • 103
    Electronic Resource
    Electronic Resource
    An easy and reliable method for end-sealing glass capillary columns (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 533-534 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; End-sealing method for static coating ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041014
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  • 104
    Electronic Resource
    Electronic Resource
    Combination of micro high performance liquid chromatography and fourier transform infrared spectrometry using the potassium bromide crystal buffer memory technique (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 532-533 
    Details
    ISSN: 0935-6304
    Keywords: Micro high performance liquid chromatography, MHPLC ; Fourier transform infrared spectrometry, FT- IR ; Combination of MHPLC and FT-IR ; KBr buffer memory technique ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041013
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  • 105
    Electronic Resource
    Electronic Resource
    Gas chromatographic analysis of furaneol (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 421-422 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary columns ; Unstable flavor compound ; Comparison of fused silica, glass, and metal columns ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040815
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  • 106
    Electronic Resource
    Electronic Resource
    Fourth International Symposium on Capillary Chromatography (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 42-42 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040113
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  • 107
    Electronic Resource
    Electronic Resource
    Determination of volatile carboxylic acids in animal wastes by (GC)2 of their benzyl esters (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 49-53 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Glass capillary ; Routine analysis of C1-C6 carboxylic acids ; Animal wastes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The C1 -C6 fatty acids present in various types of heterogeneous animal wastes were isolated by steam distillation and determined as benzyl esters by high resolution gas chromatography. Glass capillary columns, deactivated with barium carbonate and coated with UCON HB 5100, allowed the analysis of benzyl formate, acetate, propionate, isobutyrate, butyrate, isovalerate, valerate, and caproate in less than 20 minutes. Recovery tests, performed on more than 50 different samples, indicated a benzylation yield and an overall efficiency higher than 99%, with a standard deviation of 2.6% (C5) to 6.0% (C1). The absolute detection limit ranged from 0.3 picomole (caproic acid) to 1.0 picomole (formic acid).
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040202
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  • 108
    Electronic Resource
    Electronic Resource
    An integrated GC/FT-IR system for the analysis of environmental pollutants (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 60-69 
    Details
    ISSN: 0935-6304
    Keywords: GC/FT-IR ; Environmental pollutants analysis ; Nondestructive detection ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: An integrated gas chromatography/Fourier transform infrared spectrometry (GC/FT-IR) system developed for the analysis of environmental pollutants is described. The versatility of the system allows the utilization of many different techniques of sample introduction and manipulation during analysis. The sample can be introduced by direct injection or thermal desorption from an adsorbent cartridge, and can then be separated on one of two capillary columns and detected by FT-IR or an FID. Cold traps and collection cartridges incorporated in the system permit recovery and additional fractionation of samples. Recovered sample and sample fractions can then be re-analyzed by GC/FT-IR or subsequently analyzed by GC/MS or other methods.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040204
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  • 109
    Electronic Resource
    Electronic Resource
    Fused silica capillary GC/MS coupling: A new, innovative approach (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 495-499 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary column, fused silica ; Mass spectrometry ; Interface, direct coupling ; On-column injection ; Aflatoxin B1 ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A novel fused silica capillary GC/MS direct coupling is described which ensures quantitative transfer of sample from the point of injection to the ion source of a mass spectrometer without contacting any surfaces other than the column wall. This device permits GC analysis of highly labile substances. Aflatoxin B1, previously considered unassayable by GC, can now be determined by GC/MS.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041004
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  • 110
    Electronic Resource
    Electronic Resource
    Error introduced into determination of pore size distribution by size exclusion chromatography (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 515-518 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; Size exclusion chromatography ; Pore size determination ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Simultaneous use of large standard molecules and small particles of the product examined gives rise to errors in pore size determination by size exclusion chromatography. This error is calculated for packings of spherical particles, thus making corrections possible.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041007
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  • 111
    Electronic Resource
    Electronic Resource
    Quantitative HPTLC determination of prostaglandin E1 (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 136-137 
    Details
    ISSN: 0935-6304
    Keywords: TLC, HPLTC ; Quantitation of PGE1 in organic solvents ; PGE1 concentration from 0.05 to 1.0 mg/ml ; Overall standard deviation 3.6% ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Direct in situ determination of PGE1 in dioxane/water (1:1) at concentrations between 50 μg/ml and 1 mg/ml is described. HPTLC of PGE1 was carried out on HPTLC Kieselgel 60 o.F. plates; application (200 nl) was with a Nano-Appllcator and ethyl acetate/formic acid (400:5, v/v) served as mobile phase. The spots were located by dipping the plates into a 3% cupric acetate solution in 15% aqueous phosphoric acid, followed by heating at 120°C for 15 min. The plates were then evaluated directly at λ = 345 nm by chromatogram spectrometry. The coefficient of variation is 3.6%.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040313
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  • 112
    Electronic Resource
    Electronic Resource
    Post-column colorimetric detection with Xylenol Orange in micro-HPLC of rare earth metals (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 530-531 
    Details
    ISSN: 0935-6304
    Keywords: Micro-HPLC ; Post-column colorimetric detection has advantages over radiometric methods ; Separation of 15 rare earth metals ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041012
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  • 113
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    Product news (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 143-145 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040317
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  • 114
    Electronic Resource
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    Chromatography calendar (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 147-148 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040318
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  • 115
    Electronic Resource
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    Glass capillary gas chromatography with simultaneous flame ionization (FID) and Hall® element-specific (HECD) detection (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 164-168 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Simultaneous detection with effluent splitter ; Element-specific detection ; Petroleum residues ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Two glass capillary gas chromatographic systems were equipped with inert effluent splitters which allowed simultaneous data acquisition using nonspecific and element-specific detectors. Simultaneous detection was achieved using the nonspecific flame ionization detector (FID) and the Hall® electrolytic conductivity detector (HECD) operated in either the sulfur-or the nitrogen-specific mode. Typical application of the simultaneous detection system as applied to analysis of petroleum residues is briefly described. The Hall electrolytic conductivity detector can be made element specific for halogen-, sulfur-, or nitrogen-containing compounds. Simultaneous detection enhances the information yield from a single sample injection and proves to be a powerful complementary technique when used with computerized gas chromatography/mass spectrometry.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040404
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  • 116
    Electronic Resource
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    Simultaneous gas chromatographic determination of pirimiphos-methyl and malathion residues in peanuts, peanut hulls, peanut meats, and peanut oil (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 169-172 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Residue analysis ; Pirimiphos-methyl ; Malathion ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A gas chromatographic method developed for the simultaneous determination of residues of pirimiphos-methyl (O-[2-(dimethyl-amino)-6-methyl-4-pyrimidinyl] O,O-dimethyl phosphorothioate) and malathion (diethyl mercaptosuccinate S-ester with O,O-dimethyl phosphorodithioate), in whole peanuts, peanut hulls, peanut meats, and peanut oil gives good recoveries and has a limit of detection for pirimiphos-methyl and malathion of 0.04 ppm. Quantitative analysis for the two insecticides with electronic integration was reliable to 0.1 ppm.
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040405
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  • 117
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    Theoretical determination of optimum composition of the binary mobile phase for distribution of substances in thin-layer chromatography (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 224-227 
    Details
    ISSN: 0935-6304
    Keywords: Thin-layer adsorption chromatography ; Optimum separation ; Binary mobile phases ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The measure of the distribution of a mixture of substances in TLC with a binary mobile phase is expressed as ΔRM1,2i,j which represents the difference between the RM values of substances i and j on use of the binary solvent 1 + 2 as the mobile phase. The possibility of determining its maximum value at an optimum composition of the binary mobile phase is demonstrated in this paper. This value can calculated from experimental and theoretical functions RM1,2 = f(Φ1) of substance i and j. More simply, ΔRM1,2i,j can be calculated theoretically from easily measurable adsorption parameters of excess adsorption isotherms and from chromatographic parameters obtained for pure solvents. The ΔRM1,2i,j value calculated theoretically can be utilized in a pilot technique for determination of the optimum composition of the mobile phase in gradient liquid chromatography.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040506
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  • 118
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    Determination of 2-hydroxybiphenyl in milk by HPLC (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 242-243 
    Details
    ISSN: 0935-6304
    Keywords: HPLC ; Milk extract concentrate ; 2-Hydroxybiphenyl + 4-hydroxybiphenyl by addition of 0.1% glacial acetic acid ; 0.03 ppm detection limit ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040513
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  • 119
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    Direct injection on capillary columns for gas chromatography (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 260-265 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, capillary ; Injection technique ; Sample discrimination ; Alkanes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Discrimination may occur when injecting samples onto gas chromatography capillary columns, whereby peak areas for higher boiling point compounds are smaller than they should be compared to lower boiling compounds. This problem is most important in quantitative work on solutes having a wide range of volatility. An all-glass inlet system was used. Injections were made with a 10-μl syringe onto a column without and injection point heater and with the column oven about 20°C below the boiling point of the solvent used for the solutes. Discrimination did not occur in a range of C12 to C36 n-alkanes.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040603
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  • 120
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    Prediction of experimental parameters in combined isocratic and gradient elution reversed phase high performance liquid chromatography (RP-HPLC) using acetonitrile as organic modifier (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 276-279 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; Linear elution strength mobile phase technique ; Calculation of eluent compostion ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The use of gradient elution in RP-HPLC is increasing. Aqueous buffers, such as phosphate at pH 1.7, with acetonitrile as the organic modifier are particularly advantageous as eluents with linear elution strength (LES). In the isocratic mode, under the experimental conditions used, fairly good linearity exists between logk' and xB (xBº is the volume ratio of the organic modifier, i.e. acetonitrile) with a correlation coefficient of 0.9995. The relationship between isocratic and gradient elution parameters, such as xB, xBº (starting composition in gradient elution), m (slope of the linear gradient), is transparent and the parameters of interest can be predicted fairly accurately using simple equations. The proposed system could be used in elaboration of a general retention index system for organic molecules in RP-HPLC.
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040606
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  • 121
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    On-column injection on capillary columns with conventional injectors (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 295-296 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; On-column injection ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040612
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  • 122
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    Simple apparatus for size fractionation of particles by hydrodynamic elutriation (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 244-246 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; Column packing materials ; Particle size fractionation ranging from 14.5 ±1.5 to 29.5 ± 3 μm ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A method is described for separating column packing materials into series of products of any desired narrow particle size distributions.
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040514
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  • 123
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    Determination of the diastereomers of vitamin K1 (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 257-259 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Dihydro dimethyl ethers of vitamin K1 ; Separtion of diastereomers ; Characterization of source of vitamin K1 samples ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A method is described for the gas-chromatographic determination of the diastereomers of vitamin K1 (phylloquinone) in the form of their dihydro dimethyl ethers. The reported method of derivatization and chromatographic analysis in conjunction with optical rotation measurements are useful approaches for characterization of vitamin K1 samples with respect to their origin.
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040602
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  • 124
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    Chromatography calendar (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 292-292 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040609
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  • 125
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    To the Editor (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 292-292 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040610
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  • 126
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    Rapid on-line analysis of low molecular weight hydrocarbons using glass capillary gas chromatography (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 333-336 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, glass ; Rapid analysis ; On-line analysis ; Low molecular weight hydrocarbons ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Rapid analysis is important for on-line chromatography. Gaseous or vaporized samples have been injected via heated gas sampling valves of less than 500 μl dead volume. The critical sampling and split problems could be solved by temperature programming. The general analysis described could be successfully used inter alia in scouting reactions.
    Additional Material: 4 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040705
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  • 127
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    Partition thin-layer chromatography of some triazine herbicides (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 357-358 
    Details
    ISSN: 0935-6304
    Keywords: Partition thin-layer chromatography ; Pesticides ; Separation of the s-triazine herbicides ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040713
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  • 128
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    Dynamic headspace analysis of solid waste materialsResearch sponsored by the Office of Health and Environmental Research, U. S. Department of Energy under contract W-7405-eng-26 with the Union Carbide Corporation. (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 404-405 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Dynamic headspace analysis ; Solid waste ; Fused silica capillary columns ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A dynamic headspace stripping technique for the extraction of volatile organic compounds has been applied to a variety of solid and semisolid waste materials. A simple glass apparatus accommodates a wide range of sample sizes and allows for the volatiles to be stripped at elevated temperatures. Concentration on Tenax, followed by thermal desorption and analysis by fused silica capillary gas chromatography provides detailed information on the volatile content of waste samples of widely differing matrix composition.
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040807
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  • 129
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    Ion-pair reverse-phase HPLC of tryptic peptides from plasma amyloid P-component using a volatile buffer system (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 417-418 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Mapping of 25 μg tryptic peptides with overall recovery of 50-90% ; Two cysteine residues found in P-component ; Exact alignment and easy identification of redistribution due to reproducible retention times ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    Chromatography calendar (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 427-428 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040818
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    Masthead (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981) 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240040901
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    High-performance liquid chromatography with continuous gradient elution in screening for unknown metabolites of butoprozine directly in dog bile (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 448-453 
    Details
    ISSN: 0935-6304
    Keywords: Reverse-phase HPLC ; Continuous gradient elution ; Butoprozine and 14C-labeled butoprozine ; Screening for metabolites in dog bile ; Clean-up of bile ; UV and radiochemical detection ; Differentiation between peaks ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: This paper describes the screening for metabolites of butoprozine, a new anti-anginal drug, in dog bile by means of reverse-phase HPLC. Although it does involve a simple clean-up step to remove a substantial amount of endogenous bile compounds, this screening method nevertheless avoids extraction of metabolites and thus allows all metabolites to be introduced into the chromatographic system. A single run of 100 minutes from 100% water to 100% methanol in a linear gradient effects adequate separation of the great majority of metabolites without interference from remaining endogenous compounds.Two methods of differentiating between metabolite peaks and endogenous peaks have been worked out. The first one makes use of 14C-labeled butoprozine by measuring the amount of radioactivity in the column effluent while simultaneously recording the UV absorbance. The second method compares continuous gradient chromatograms of bile recorded before and after butoprozine administration under very similar conditions. The latter method can be applied to both radioactive and non-radioactive materials.
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    URL: http://dx.doi.org/10.1002/jhrc.1240040905
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    Use of molar heats of solution in squalane for identification of olefins (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 527-529 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Thermodynamics ; Identification of analytes ; Olefins ; Squalane ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240041011
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    Resolution of the enantiomers of m- and p-hydroxymandelic acid by high performance liquid chromatography (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 535-536 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Racemate separation ; L-Phenylalanine-copper complex used as chiral reagent ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240041015
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    Analysis of light hydrocarbons C1-C5 with Porous Layer Open Tubular fused silica columns of aluminum oxide. Part 1: The column (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 612-615 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Porous layer open tubular fused silica columns ; Aluminum oxide ; C1-C5 hydrocarbons ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A method is described for the preparation of a Porous Layer Open Tubular (PLOT) fused silica column coated with submicron particles of aluminum oxide for the analysis of light hydrocarbons. The column is thermally stable and provides reproducible analytical data over a long period of time. The column can be operated at temperatures easily controlled by commercially available gas chromatographic apparatus. 1,3-Butadiene is retarded much more than its principal impurities: thus the polarity of aluminum oxide is extremely useful for butadiene analysis because none of the contaminants is obscured by the butadiene peak. The analysis of the 16 most common C1-C4 hydrocarbons is achieved within 5 min at 60°C with helium as the carrier gas. Conditioning of the carrier gas with water vapor from CuSO4.5H2O to decrease the activity of the aluminum oxide is described. Some applications of a 30 m × 0.32 mm aluminum oxide PLOT column are given.
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    Sealing technique for static coating of large bore capillary columns (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 588-588 
    Details
    ISSN: 0935-6304
    Keywords: Capillary columns ; End sealing ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041113
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    Focused cryogenic trapping for dynamic headspace and pyrolytic analysis of polymers on a fused silica capillary column (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 603-611 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary, fused silica ; Gas chromatograph/mass spectrometer/data system ; Dynamic headspace analysis ; Focused cryogenic trapping ; Pyrolysis ; Polymers ; Adhesives ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Focused cryogenic trapping has been used to maximize the high resolution capabilities of fused silica capillary columns during dynamic headspace and pyrolytic polymer analyses. Mass spectrometric detection with data system recording/processing provide sensitive, selective, and rapid results. The techniques described herein demonstrate the power of both dynamic headspace and pyrolytic analyses for troubleshooting applications with complex industrial polymer products.
    Additional Material: 11 Ill.
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    Characterization of basic nitrogen compounds in gasolines by gas chromatography-mass spectrometry (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 649-651 
    Details
    ISSN: 0935-6304
    Keywords: GC/MS ; Capillary, fused silica ; Anilines ; Acetylation ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240041210
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    Some techniques for capillary chromatography (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 651-652 
    Details
    ISSN: 0935-6304
    Keywords: Handy micro burner ; Drilling out a Vespel® ferrule ; Adaptor for straightening capillary ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041211
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    Theory and Marhematics of Chromatography. Abdel Salam Said. Dr. Alfred Huethig Publishers, Heidelberg 1981. ix, 210 pp., $ 28.00 (1981)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 4 (1981), S. 664-664 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240041219
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    Enantiomer separation of some aromatic carboxylic acids by HPLC on a chemically bonded β-cyclodextrin stationary phase (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 147-148 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography ; HPLC ; Racemate separation ; β-Cyclodextrin stationary phase ; Cyclohexylphenylglycolic acid ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070311
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    Multi-mode liquid chromatography of polystyrenes on phenyl-bonded phase (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 158-159 
    Details
    ISSN: 0935-6304
    Keywords: Multi-mode liquid chromatography ; Adsorption chromatography ; Size exclusion chromatography ; Phenyl-bonded phase ; Styrene oligomers ; Polystyrene polymers ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070317
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    Masthead (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984) 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240070401
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    HPLC on 3,5-dinitrobenzamidopropyl silica gel (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 160-161 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography HPLC ; Bonded phases ; 3,5-Dinitrobenzamidopropyl silica gel ; Charge transfer interaction ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
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    Open tubular column gas chromatography: Theory and practice. Milton L. Lee, Frank J. Yang Keith D. Bartle John Wiley & Sons, New York, 1984, X + 445 pp., US $ 48.00. (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 327-327 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
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    URL: http://dx.doi.org/10.1002/jhrc.1240070607
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    Deactivation of fused silica capillary columns with polymethylhydrosiloxanes (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 329-332 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Fused silica capillary columns ; Deactivation ; Polymethylhydrosiloxanes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
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    Multidetection of pesticides in capillary gas chromatography (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 338-339 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Pesticides ; Multidetection ; ECD-NPSD-SSD ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070613
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    Clean-up of polynuclear aromatic hydrocarbons and 3-ring azaarenes and their GC-analysis on whisker-walled open tubular columns (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 301-305 
    Details
    ISSN: 0935-6304
    Keywords: Capillary gas chromatography ; Whisker-walled open tubular columns ; PNA-hydrocarbons ; XAD-2 ; Azaarenes ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A modified clean-up of polynuclear aromatic (PNA) hydrocarbons on XAD-2 is described. n-Alkanes (C16—C28) are separated quantitatively from the PNA hydrocarbons and are eluted in one fraction. The distribution of 17 PNA hydrocarbons and four of their alkyl derivatives, two S-heterocyclic compounds and two azaarenes between the different fractions is reported. Azaarenes containing three rings are separated from PNA hydrocarbons and S-heterocyclic compounds. Whisker-walled open tubular columns coated with OV-215 and OV-25 were used in the separation of isomeric azaarenes and in PNA hydrocarbon profile analysis, respectively. The preparation of such columns is described in detail. Rinsing of capillary columns with cold, concentrated HCI after whisker growth removes much larger amounts of boron and sodium than subsequent leaching with HCI at 180°C. Whisker-walled open tubular columns are successfully applied to the characterization of isomeric benzofluoranthenes and other PNA hydrocarbons isolated from air particulate matter.
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    Length of the flooded zone in the column inlet and evaluation of different retention gaps for capillary gas chromatography (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 319-326 
    Details
    ISSN: 0935-6304
    Keywords: Capillary GC ; Band broadening in space ; Flooded column inlet ; Retention gap ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In on-column or in splitless injection with recondensation of the solvent, the length of the flooded zone in the column inlet depends primarily on the wettability of the internal wall of the inlet. For columns with a coated inlet this explains why peak distortion due to band broadening in space by a certain sample volume is pronounced in one case and hardly observable in another. Glass or fused silica capillaries silylated with diphenyltetramethyldisilazane were found to give optimal retention gaps. They combine thorough and thermostable deactivation with good wettability and low retention power. On the other hand it is very easy to deactivate fused silica capillaries with Carbowax. The resulting retention gaps are suitable for a wide range of applications and are particularly attractive for the analysis of dirty samples which require frequent replacement of the inlet.
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    On the stability of polarity mixtures used in CGC (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 332-333 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary columns ; Polarity mixtures ; Reaction products ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070609
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    Multidimensional column ion chromatographic determination of tetrafluoroborate and phosphate (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 336-337 
    Details
    ISSN: 0935-6304
    Keywords: Ion chromatography ; Multidimensional column ; Borophosphosilicate glass (BPSG) film ; VLS ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070612
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    Modified equation for the calculation of theoretical plate number and sorbent selection on the basis of retention indices (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 342-343 
    Details
    ISSN: 0935-6304
    Keywords: Gas-liquid chromatography ; Logarithmic retention index ; Equation for the calculation of column efficiency ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Tab.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070615
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    Masthead (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984) 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240070701
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    Chromatography calendar (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 433-435 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240070717
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    Direct gas chromatographic analysis of halogenated hydrocarbons at the part-per-trillion level (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 370-374 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Trace analysis ; On-column injection ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Large sample volume on-column injection (up to 250 μL) of n-pentane solutions of halogenated hydrocarbons has been employed for the direct measurement of both low-boiling and high-boiling compounds in what is essentially a single run. Two-bonded phase, fused-silica capillary columns are joined in series, through which the low-boiling compounds are first chromatographed and detected with an electron capture detector. High-boiling compounds are then trapped in a section joining the two columns, and subsequently chromatographed in the second column, using the same detector. This procedure permits analysis at the ppt level.
    Additional Material: 7 Ill.
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    Multidimensional capillary gas chromatography-enantiomeric separations of selected cuts using a chiral second column (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 404-410 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Multidimensional capillary columns ; Enantiomeric separations ; Intermediate trapping ; Mixed polarities ; Terpene alcohols ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 6 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070711
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    Determination of nitrated-polyaromatic hydrocarbons (nitro-PAHs) in environmental samples by high resolution chromatographic techniques (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 389-397 
    Details
    ISSN: 0935-6304
    Keywords: Low and high resolution liquid chromatography ; Gas chromatography ; Capillary columns ; Alkali flame detection ; Chemical ionization mass spectrometry ; Nitro-PAHs ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: An analytical procedure is described for the fractionation of organic compounds present in environmental samples and the determination of nitro polyaromatic hydrocarbons (nitro-PAHs). Both low and high resolution liquid chromatography are employed for the prefractionation of the soluble organic fraction (SOF) extracted from particulate matter or gaseous pollutants collected on adsorption traps. High resolution gas chromatography is used to analyze four fractions containing alkanes, PAHs, nitro-PAHs, and other polar PAHs. Nitrogen-containing species are separated by GC and detected specifically using an alkali flame (NPD) detector. Flame ionization (FID) detection, GC-MS of positive ions, and negative ion chemical ionization MS of the whole fraction is used for the identification and quantitation of the various components. The composition of SOF extracted from particulate matter emitted from diesel exhausts is elucidated and a large number of nitro-PAHs identified by the combination of the various techniques.
    Additional Material: 7 Ill.
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    Masthead (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984) 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240070901
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    Characterization of OV-1/FFAP-mixture coated glass capillary columns used for the separation of free fatty acids (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 509-514 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; OV-1/FFAP mixed phase, high-temperature ; silylated glass capillary ; Polar phase-coated HTS capillary ; Golay curves of mixed phases ; Thermal and long-term stability of OV-1/FFAP ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: As an alternative to acid pretreated UCON and FFAP capillaries for the analysis of wide-boiling free fatty acid mixtures, OV-1 : FFAP phase mixtures were used on high-temperature silylated inert glass capillary columns. The HETP-carrier gas velocity curves, peak asymmetry factors, coating efficiency, gas phase and stationary phase contributions to the mass transfer resistance were determined for various OV-1 : FFAP ratios. Mixed-phase capillaries showed optimum performance at a 2 : 1 OV-1 : FFAP ratio. The thermal and long-term stability of OV-1-stabilized FFAP columns surpassed those of the UCON and pure FFAP reference column used.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070903
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    The length of the zone flooded by the injection of large volumes onto retention gaps in capillary GC (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 531-532 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; Capillary columns ; Retention gaps ; Large sample volumes ; Flooded zone ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240070908
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    High speed zone electrophoresis in open-tubular fused silica capillaries (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 529-531 
    Details
    ISSN: 0935-6304
    Keywords: Capillary electrophoresis ; High resolution separation ; High speed analysis ; Dansyl amino acids ; Fluorescamine labeled peptides ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240070907
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    Advantages and limits of the quantitative determination of α-ferrocenyl carbinols with capillary GC (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 536-537 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary column ; On-Column injection ; Vaporizing injection ; Decomposition ; α-Ferrocenyl carbinols ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240070910
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    Non-suppressed ion chromatography of carbonate and nitrite on steel surfaces (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 580-581 
    Details
    ISSN: 0935-6304
    Keywords: Ion chromatography, IC ; Steel surface analysis ; Carbonate, chloride, nitrite ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071008
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    Immobilization of stationary phase films by gamma radiation. Part 1. Nonpolar phases, regular and thick-film capillaries (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 620-624 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; Glass capillary columns ; Immobilization ; Gamma radiation ; Very thick films ; Nonpolar stationary phases ; OV-1, OV-101, SE-54 ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Borosilicate glass capillaries, silylated and coated with OV-1 or SE-54, were irradiated by a 60Co gamma source. The effect of radiation on chromatographic performance was determined for a series of dosages and was evaluated before and after rinsing with solvent. Results for both regular and thick films were obtained.
    Additional Material: 3 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240071104
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    Trace Enrichment of marine algal pigments for use with HPLC-diode array spectroscopy (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 632-635 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Diode array spectroscopy ; Trace enrichment ; Algal pigments ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071107
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    Rapid determination of major congeners in distilled spirits by direct analysis on bonded capillary columns (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 641-643 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; Fused silica capillary columns ; Bonded stationary phase ; Distilled beverages ; Direct analysis ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071111
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    Chromatography calendar (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 649-652 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071115
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    Separation of isomers of nitro-polycyclic aromatic hydrocarbons (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 671-678 
    Details
    ISSN: 0935-6304
    Keywords: Liquid chromatography, HPLC ; Isomer separation ; Mutagenic compounds ; Nitropolycyclic aromatic hydrocarbons ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Since positional isomers of several nitro-polycyclic aromatic hydrocarbons (nitro-PAH) contain widely different mutagenic properties, methods for separating the isomers were investigated. High performance liquid chromatography with dichloromethane in hexane on silica gave the best resolution for the majority of the compounds. A few groups of isomers were better resolved with other modifiers or with reversed phases. Of the reversed phase systems, methanol-water gave better resolution than acetonitrile-water. With dichloromethane/hexane on silica, the retention was found to depend on the presence of a bay nitro group (first), the number of H atoms peri to the nitro group (second), and the length/breadth ratio of the molecule (third).Front electron density calculations were combined with the structure-retention relations in making tentative structure assignments of minor isomers of nitro-PAH.
    Additional Material: 12 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240071203
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    Immobilization of stationary phase films by gamma radiation. Part 2 medium-polarity OV-1701-Vi phase (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 700-701 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Glass capillary columns ; Immobilization ; 60Co gamma radiation ; Medium-polarity phase ; OV-1701-Vi ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071207
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    Changes in peak width and concentration at the inlet and outlet of a chromatographic column (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 615-619 
    Details
    ISSN: 0935-6304
    Keywords: Theory ; Sorption ; Plate model ; Band widths ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The original plate model of chromatography is extended to the sorption process occurring at the column inlet and the desorption process at the column exit. At the column inlet it is shown that sufficiently wide feed bands undergo no change in concentration but a fall in band width, i.e., the volume of mobile phase occupied by the solute band is reduced. The reduction factor is (1 + k) where k is the mass distribution ratio (capacity factor). Narrower bands suffer partial reduction in both band width and concentration. On desorption at the outlet, however, the change is always in band width and not concentration. A perfect detector registers the true concentration-time profile of the band in the column if the solute mass fraction in the stationary phase is below 10-3 at the column outlet. The risks of stripping the stationary phase at high solute concentrations in analytical and preparative or production gas chromatography are compared.
    Additional Material: 4 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240071103
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    Resolution of gossypol: Analytical and preparative HPLC (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 629-631 
    Details
    ISSN: 0935-6304
    Keywords: Preparative liquid chromatography, HPLC ; Chiral HPLC columns ; (-)-Gossypol ; Resolution of enatiomers ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071106
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    Effluent stream splitting to two different detectors (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 639-640 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; Flame ionization detector, FID ; Electron capture detector, ECD ; Effluent splitting ; Pesticides ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240071110
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    Errata (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 647-647 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071114
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    HPTLC separation of PGF2α, PGE1, PGE2, PGA1 prostaglandins and quantitative determination in situ by induced fluorescence (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 593-595 
    Details
    ISSN: 0935-6304
    Keywords: High performance thin layer chromatography, HPTLC ; Fluorescence ; Prostaglandins ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071013
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    Product news (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 601-604 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071017
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    Reaction gas chromatography/mass spectrometry. Part IXFor Part VIII, see [1].: Post-column hydrodesulfurization in capillary GC/MS as an aid in structure elucidation of cyclic sulfides within mixtures (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 625-628 
    Details
    ISSN: 0935-6304
    Keywords: Reaction gas chromatography/mass spectrometry, GC/MS ; Capillary columns ; Post-column hydrodesulfurization ; Cyclic sulfides ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: This article describes a method that assists in structure determination of cyclic sulfides mixtures by GC/MS. The method involves the use of a gas-phase hydrodesulfurization microreactor (AP-56 catalyst, reaction temperture 300-315°C, hydrogen as a carrier and reagent gas) located between the capillary column (OV-17) and the mass spectrometer. The presence of a microreactor in such a position does not essentially affect the chromatographic separation achieved by using the capillary column. Combined analysis of the mass spectra registered for the original sulfides and the hydrodesulfurization products permits the structure determination of each effluent to be made more reliably. This is illustrated by the investigation of a reaction mixture containing the structural and geometric isomers of methyl-substituted thiabicyclononanes.
    Additional Material: 6 Ill.
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    Separation of 3- to 6-ring polycyclic aromatic hydrocarbons by capillary gas chromatography with a liquid crystal as stationary phase (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 637-638 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; Glass capillary columns ; Liquid crystal ; Polycyclic aromatic hydrocarbons (PAH) ; N,N′-Bis(p-butoxybenzylidene)-α,α′-bi-p-toluidine (BBBT) ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240071109
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    Masthead (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984) 
    Details
    ISSN: 0935-6304
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240071201
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    Rapid and reproducible injection onto microbore columns (1984)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 7 (1984), S. 703-706 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, GC ; Fused silica microbore columns ; Automated injection ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 5 Ill.
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    URL: http://dx.doi.org/10.1002/jhrc.1240071209
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    Masthead (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120101
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    Neue Bücher (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 31-32 
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    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120109
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    Masthead (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120201
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    Pure Geometrical Size Effect in fatigue tests with constant stress amplitude and in programme tests (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 40-50 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Rein geometrischer Größeneinfluß im Schwingversuch mit konstanter Spannungsamplitude und im Programm-Belastungs-VersuchDie Untersuchung behandelt den geometrischen Größeneinfluß an vergüteten Proben des Stahles 37 Cr 4 für Einstufen- und Vielstufen-Schwingbelastung. Es wurde gezeigt, daß das Verhältnis βk/αk von geometrisch ähnlichen Proben bei Vergrößerung des Kerbradius asymptotisch zunimmt und dabei einem Wert zustrebt, der kleiner als eins ist. Die Formel von Stieler für das Verhältnis αk/βk ergibt nicht genau die Verminderung der Dauerfestigkeit mit zunehmendem Durchmesser. Eine genauere Beschreibung des Größeneinflusses erhält man mit Hilfe der Zweiparameter-Formel, die die Makro- und Mikro-Stützwirkungen berücksichtigt.Der Einfluß der Probengröße wurde auch bei Vielstufen-Schwingbelastung untersucht. Es scheint, daß dieser Einfluß bereits bei einem kleinerem Durchmesser als der Größeneinfluß auf die Dauerfestigkeit abklingt. Die Lebensdauer bei Programmbelastung und die Schadenssumme waren bedeutend größer für die kleineren (d = 8,9 mm) als für die größeren Proben (d = 22,26 mm), aber eine weitere Steigerung der Probengröße scheint einen kleinen Einfluß zu haben.
    Notes: The investigation considers the geometrical size effect for heat-treated 37 Cr 4 steel specimens in the case of one-level and multi-level fatigue tests. It was shown that the ratio Notch Factor/SCF of geometrically similar specimens increases asymptotically with the notch radius, tending to a value less than 1. The formula of Stieler for the ratio SCF/Notch Factor do not describe correctly the decrease of the fatigue limit with specimen diameter. A more exact description of the size effect is obtained with the aid of a two-parameter formula, which takes into account the support effect of the cyclic strain hardening and of the stress gradient.An effect of specimen size on fatigue life was also investigated in the case of multi-level tests. It seems that this effect is associated with a smaller diameter interval than the effect of size on the fatigue limit. This is connected with the higher plastification of the notched area in programme tests with maximum stress much higher than the fatigue limit. The programme fatigue life and the damage sum were considerably larger for the smaller (d = 8.9 mm) than for the larger (d = 22.26 mm) specimens, but further increase of the specimen diameter seems to have a slight effect.
    Additional Material: 12 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19810120205
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    DFVLR-Werkstoff-Kolloquium. - Verbundwerkstoffe -. Kurzfassungen der Veranstaltung vom 3. 12. 1980 in Porz/Wahn. Bruchmechanik an Faserverbundwerkstoffen am Beispiel von B/AL und CFK (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 104-105 
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    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 1 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19810120307
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    Nachrichten - Hinweise (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. A36 
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    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120503
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    Ermittlung des Bruchwiderstands an Oxidkeramik und Hartmetallen mit verschiedenen Methoden (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 167-174 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Fracture Toughness Determination of Alumina and Cemented Carbide with Different Testing MethodsFracture toughness of a sintered alumina and two tungsten carbidecobalt materials was determined using four-point-bend specimens with straight through and chevron notches and with the short rod specimen. With the specimens with a straight through notch a lower KIc was measured for Al2O3 and a higher for WC-Co compared to the chevron-notched specimens. This behavior was explained by the different shapes of the crack growth resistance curves and the different critical notch radii. For Al2O3 a steeply rising crack growth resistance curve was measured in a controlled fracture test, for WC-Co a flatter curve was obtained. The effect of the shape of the crack growth resistance curve and of notch width on the evaluated toughness is discussed.
    Notes: An einem gesinterten Aluminiumoxid und zwei WC-Co-Hartmetallen wurde der Bruchwiderstand im Vierpunkt-Biegeversuch mit Flachkerben und Spitzkerben sowie mit der kurzen Rundprobe mit Spitzkerbe bestimmt. Bei Al2O3 ergab sich mit den Flachkerbproben ein kleinerer Wert als mit den Spitzkerbproben, bei WC-Co war es umgekehrt. Dieses Verhalten wurde auf die unterschiedliche Form der Rißwiderstandskurve und die unterschiedliche Größe der kritischen Kerbradien zurückgeführt. Bei Al2O3 wurde im kontrollierten Bruchversuch eine stark ansteigende, bei WC-Co eine flache Rißwiderstandskurve gemessen. Der Einfluß der Form der Rißwiderstandskurve und der Kerbbreite auf die ermittelten Kennwerte wird diskutiert.
    Additional Material: 10 Ill.
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    URL: http://dx.doi.org/10.1002/mawe.19810120507
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    Schwind- und Quellverhalten reaktionshärtender Kunstharzkitte für den Säureschutzbau (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 73-83 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Shrinking and Swelling Properties of Chemically Cured Resin Mortars for Chemical Resistant LiningsIn the field of acid-proof construction chemically cured mortars, especially those based on phenolic, furan, epoxy or unsaturated polyester resins are used to apply linings on floors or in vessels. Sometimes these resin mortars are used as a troweling compound for monolithic floors, more often however as a bedding and pointing material for ceramic tiles or special shaped bricks. Because of the good adherence to the supporting construction to be protected, variations in dimension of the mortar as an effect of shrinkage or swelling cause stresses, which can exceed the strength of these linings and then could cause damage to the integrity of the installation.Methods for measuring the effective, i.e. stress generating dimensional changes in resin mortars were investigated for a variety of conditions, and testing equipment for determining the stresses generating in these mortars are developed. The results are represented graphically. The evaluation is done with respect to the possible effects of the behavior of the mortars in installed brick linings and floor coverings.
    Notes: Im Säureschutzbau werden reaktionshärtende Kitte, vorwiegend auf Basis von Phenol-, Furan-, Epoxidharz (EP) sowie ungesättigten Polyesterharzen (UP) zum Herstellern von Belägen bzw. Behälter-Auskleidungen (Ausmauerungen) verwendet, und zwar teils für sich allein in Form von Spachtelungen, meist als Verlege- und Verfugematerial für keramische Platten und Formsteine. Wegen des Verbundes dieser Beläge mit dem zu schützenden, tragenden Untergrund erzeugen Längenänderungen der Kitte in Form von Schwinden oder Quellen Eigenspannungen, welche die Festigkeit der Beläge bzw. Ausmauerungen überschreiten können und dann Schäden hervorrufen.Es wurden Meßverfahren zum Erfassen der effektiv wirksamen, d. h. spannungserzeugenden Längenänderungen unter verschiedenartigen Umgebungsbedingungen an Kunstharzkitten ausgeprüft sowie Vorrichtungen zum Messen der in Kitten entstehenden Eigenspannungen entwickelt. Die Meßergebnisse sind graphisch dargestellt. Ihre Auswertung erfolgt im Hinblick auf die mögliche Auswirkung der Verhaltensweisen der Kitte in Belägen bzw. Ausmauerungen.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120302
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    Aufdampfversuche mit NiCoCrAlY-Legierungen erste Ergebnisse mechanischer Hochtemperatur-Eigenschaften von beschichtetem in 738 LC (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 106-106 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120309
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  • 189
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    Einfluß einer Oxidationsschutzschicht auf die Raumtemperaturfestigkeit von RBSN (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 107-107 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120311
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  • 190
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    Masthead (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120401
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  • 191
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    Schraubenverbindungen, Massenprodukte mit optimierter HaltbarkeitHerrn Prof. Dr.-Ing. Heinrich Wiegand zum 75. Geburtstag (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 126-134 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Hochfeste Schrauben und Muttern snd zwar relativ preiswerte Massenprodukte, doch sind sie gleichzeitig Maschinenelemente höchster Präzision großer statischer und dynamischer Haltbarkeiten werden sehr hohe Anforderungen an das örtliche Werkstoffverhalten in den vielfach scharf gekerbten Schraubenverbindungen gestellt. Nur eine systematische Forschung und Entwicklung, zu der Prof. Dr. Ing. H. Wiegand Während seiner Ingenieurtätigkeit wesentlich beigetragen und viele Arbeiten auf diesem Gebiet angeregt ht, konnte zum heutigen Stand der konstruktiven Gestaltung und werkstofftechnischen Auslegung führen. Trotzdem ist die Entwicklung von Schrauben und Muttern mit noch besserer Haltbarkeit nie stehengeblieben. Daher werden auch neuere Forschungen notwendig werden, wobei die erarbeiteten Grundlagen das Fundament bilden und auch der alte Forscherdrang Vorbild sein wird.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120405
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    Masthead (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120501
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  • 193
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    Bruchflächenformation und Haftmechanismen von Titan-Stahl-Sprengplattierungen (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 151-155 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Formation of Fracture Surfaces and Adhesion Mechanisms of Titanium Steel Explosive BondingsInvestigations on adhesion of the model system steel-titanium explosive platings have been carried out under the condition of an uniaxial tensile test. A bond model of explosive plating will be proposed and discusses by means of SEM-analysis of the fracture surfaces. Hence it follows, that in the range of the slow collision velocity, the bond mechanism is identical with that obtained by friction welding processes. At medium collision velocity a formation of thin hydrodynamic metal films with lubricating effects and slight adhesion in the interface region takes place. Extreme large collision velocity rate cause the bond due to fusion welding processes.
    Notes: Am Modellsystem Stahl-Reintitan-Explosionsplattierungen wurden Untersuchungen zur Haftung im einachsigen Normalspannungsversuch durchgeführt. Ein Bindungsmodell zur Explosionsplattierung wird aufgrund rasterelektronenoptischer Bruchflächenanalysen vorgeschlagen und diskutiert. Danach entspricht der Bindungsmechanismus bei geringen Kollisionsgeschwindigkeiten dem des Reibschweißens. Bei mittleren Geschwindigkeiten treten dünne hydrodynamische Metallfilme mit Schmiereffekten im Grenzbereich auf, die geringe Haftung bewirken. Extrem hohe Kollisionsgeschwindigkeiten verursachen die Bindung infolge von Schmelzschweißvorgängen.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120504
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  • 194
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    Nachrichten - Hinweise (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. A47 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120609
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  • 195
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    Masthead (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120701
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  • 196
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    Nachrichten - Hinweise (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. A58 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120802
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    Zomm-Taschenbuch. Von B. F. Müller. 2. Auflage, Metall-Verlag GmbH, Berlin - Heidelberg. 1981, 308 Seiten, zahlreiche Bilder und Tabellen, Kunststoff 56,- DM (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 335-335 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120909
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  • 198
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    Eine Methode zur kontinuierlichen und elementspezifischen Messung des korrosiven Abtrags von metallischen Werkstoffen (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 324-329 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: A Method of Continuous and Element Specific Measurement of Corrosive Abrasion in Metallic MaterialsA radionuclide method is described which allows fast recording of very low corrosion rates in liquid media. The method can be combined with electrochemical methods and automated easily. Some practical examples show the large variety of possible applications.
    Notes: Es wird ein radionuklidtechnisches Verfahren zur schnellen Erfassung sehr niedriger Korrosionsgeschwindigkeiten in flüssigen Medien beschrieben. Das Verfahren läßt sich mit elektrochemischen Methoden kombinieren und leicht automatisieren. Einige Anwendungsbeispiele zeigen den großen Bereich der Einsatzmöglichkeiten.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120906
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  • 199
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    Persönliches (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981), S. 336-336 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810120911
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  • 200
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    Masthead (1981)
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 12 (1981) 
    Details
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mawe.19810121001
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