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  • 1
    Electronic Resource
    Electronic Resource
    Gas chromatographic conditions for the linearity of the relationship between σT,t and tR in open tubes (1979)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 2 (1979), S. 456-460 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography ; Capillary ; Theory ; Linearity between peak width and retention data ; Evaluation of GC equipment ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The linearity of the relationship between σT,t2 and (1 + k)2 is studied with the view of using it for the evaluation of GC equipment. Based on appropriate analytical expressions it is concluded that in general this relationship is not linear and that practical procedures for column evaluation should be developed that take this non-linearity into account.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240020716
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  • 2
    Electronic Resource
    Electronic Resource
    The preparation of thick-film glass capillary columns (1979)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 2 (1979), S. 613-616 
    Details
    ISSN: 0935-6304
    Keywords: Gas chromatography, capillary, glass ; 5 mikrometer quartz powder roughening layer fused onto boro silicate glass during drawing process ; Complete procedure given reproducible preparation of stable thick film capillaries ; Static impregnation with 1.5% (w/v) rubber solutions possible ; Very low column bleed, ideal for GC-MS ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A detailed method for the routine preparation of glass capillary columns is presented. The method consists of coating a glass tube with quartz powder prior to pulling the tube into a capillary. The inner surface of the capillary consists of an even distribution of quartz particles fused to the walls. This surface has been found readily deactivated by standard procedures and ideal for the preparation of thick-film glass capillary columns. The method has been thoroughly tested in two independent laboratories to ensure that the procedures described are reproducible.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jhrc.1240021006
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    Paper (German National Licenses)
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