By V.G. Berezkin
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Despite the low efficiency the column was used for the first time to separate a number of nonvolatile chlorides. Thus open capillary adsorption columns with a nonporous (unextended) wall surface are also useful for separating high-boiling and unstable compounds. Capillary Gas-Solid Chromatography 53 References 1. Jennings W. Glass Capillary Columns in Gas Chromatography. Academic Press, New York, 1980. 2. G. In: Advances in Chromatography. C. Giddings, E. R. Brown (Eds). Marcel Dekker, New York, 1987, Vol.
This property of such columns is discussed below in more detail. Table 2-1 Characteristics of two types of analytical gas chromatographic columns: packed and wide capillary (with a thick layer of stationary liquid phase) ones . 53 Capillary Gas-Solid Chromatography 27 Development of fused-silica GC capillary columns is the most important advance in the last decade [17-191. Now fused-silica capillary columns are gaining widespread acceptance in most of gas chromatography laboratories. Advantages of fused-silica capillary columns The first advantage of fused-silica capillary columns as compared with glass columns is their inertness, although they still require deactivation.
Capillary Gas Adsorption Chromatography V. G. Berezkin and Jaap de Zeeuw Copyright 0 2002 WILEY-VCH Verlag GmbH i3 Co. g. ). Separation of compounds on these columns is mainly based on differences in the interactions of the molecules of chromatographed compounds with a liquid stationary phase. 3-111. The important role of gas-solid chromatography has been stressed by many researchers. Thus in the introduction to the book “Adsorption Gas and Liquid Chromatography” [l 11 Kiselev and Yashin wrote: “Significant progress has been attained in gas adsorption chromatography.
Capillary Gas Adsorption Chromatography by V.G. Berezkin