ALBERT — All Library Books, journals and Electronic Records Telegrafenberg

1

Electronic Resource

Glass capillary SCOT columns by a single-step coating method (1981)

Chauhan, Jasbir ; Darbre, André

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 11-16

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; SCOT column ; Coating, liquid phase ; Single-step coating ; Phenols ; Phenolic acids ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: A single-step coating method for the preparation of glass capillary SCOT columns is described. It is reproducible and less time-consuming than the well-known two-step coating procedures. Other methods attempted are discussed briefly. Both the flame ionization and electron capture detectors could be used in conjunction with temperature programming. The separations achieved with an “activity mixture”, phenols and phenolic acids, illustrate the resolution obtained. The columns are suitable for quantitative determinations and a comparison is made with a conventional packed column.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040104

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2

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High-speed aqueous gel permeation chromatography of pollen allergens (1981)

Einarsson, R. ; Renck, B.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 35-36

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ISSN: 0935-6304

Keywords: Gel permeation chromatography, GPC ; High-speed analysis ; Pollen allergen extract ; 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.1240040109

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3

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Continuous and gradient TLC development of 4-dimethylaminoazobenzene-4′-sulfonyl amino acid derivatives (1981)

Gołkiewicz, Władysław ; Wolski, Tadeusz

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 115-120

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ISSN: 0935-6304

Keywords: TLC ; Gradient and continuous development ; Amino acids ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Thin-layer gradient elution chromatography is a convenient technique for separation of very complicated mixtures; in some cases the gradient technique can be replaced by continuous development. The two techniques are compared in practice by using them to separate a mixture of dabsyl derivatives of amino acids.

Additional Material: 6 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040305

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4

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Rapid separation of isomeric Xylenes on a short liquid crystal-coated glass capillary in the supercooled temperature range (1981)

Kraus, G. ; Schierhorn, M.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 123-124

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ISSN: 0935-6304

Keywords: (GC)2 in short capillaries ; Liquid crystalline stationary phase ; Supercooled temperature range ; 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.1240040307

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5

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Improved separation of glycosylated tryptic peptides by RP-HPLC (1981)

Basak, S. ; Compans, R. W.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 302-304

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ISSN: 0935-6304

Keywords: Liquid chromatography ; Hemagglutinin glycoprotein of influenza virus investigated ; Peptide separation ; 14C labeling for identification ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The potential of reverse-phase high-performance liquid chromatography (RP-HPLC) for the separation of the tryptic glycopeptides of the hemagglutinin (HA) glycoprotein of influenza virus has been investigated. Excellent separation was accomplished with sample recovery of at least 90-95% by the utilization of an octadecasilyl silica stationary phase and a phosphoric acid/n-propanol solvent system. Eight glycosylated tryptic peptide classes were resolved from the HA glycoprotein of the A/USSR/90/77 virus strain.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040615

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6

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Plate requirements in chromatography and distillation (1981)

Said, A. S. ; Al-Humaid, A. ; Al-Nafea, M.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 477-478

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ISSN: 0935-6304

Keywords: Square relationship ; Effect of separation efficiency ; Simple equation for plate comparison ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Additional Material: 2 Tab.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040913

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7

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Product news (1981)

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 42-42

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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.1240040114

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8

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Quantitative evaluation of thin-layer chromatograms. 5. Calculation of reflectance and transmission using Markov chains (1981)

Prošek, M. ; Medja, A. ; Kučan, E. ; [et al.]

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 141-142

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ISSN: 0935-6304

Keywords: TLC ; Reflectance ; Transmission ; Probability vector ; Transition matrix ; Markov chains ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Changes of reflected and transmitted light in cases where a band lies in different sublayers of a thin-layer chromatogram are calculated by the use of Markov chains. The problem of a “random walk with absorbing barriers” is described and compared with the problem of transmission and reflectance of light in a layer of sorbent.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040315

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9

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Trace analysis of fungicides in grape juice and wine using glass capillary gas chromatography (1981)

Spitzer, T. ; Nickless, G.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 151-155

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; XAD-2 resin ; Fungicide residues, determination in wine and grape juice ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The fungicides Bupirimate, Fenarimol, and Vinclozolin were sprayed on Vines. The fruits were harvested 8 and 21 days after the final application and processed to juice and wine. The fungicide residues were determined by filtration of the samples throug XAD-2 after pH adjustment, elution with methylene chloride, and glass capillary gas chromatography with SE-30 as stationary phase. Residue values of the three compounds were reported before and after fermentation. The precision of the analytical method was established by spiking portuguese white wine and spanish grape juice with the three fungicides and Triadimefon. The recoveries were in the range 80%-100%, except for Vinclozolin.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/jhrc.1240040402

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10

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A simple and safe sealing technique for static coating (1981)

Schäfers, F.-I. ; Herrmann, K.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 4 (1981), S. 183-183

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ISSN: 0935-6304

Keywords: Gas chromatography ; Capillary, glass ; End-sealing technique 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.1240040410

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