Ketoimine modified silica as an adsorbent for gas chromatographic analysis of olefins

被引:9
作者
Wawrzyniak, R [1 ]
Wasiak, W [1 ]
机构
[1] Adam Mickiewicz Univ Poznan, Fac Chem, PL-60780 Poznan, Poland
关键词
bound chemical phases; capillary columns; column technology; gas chromatography; PLOT;
D O I
10.1002/jssc.200400035
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
New adsorbents for capillary complexation GC have been proposed. The adsorbents contain free ketoimine groups which enable binding copper(II) and chromium(III) chlorides. The adsorbents obtained have been characterised by elemental analysis, differential scanning calorimetry and electron spin resonance. The specific interactions between the adsorbent and adsorbate molecules have been characterised by retention parameters (retention index - /, specific retention volume - Vg, molecular retention index - Delta Me). Attempts were also made at separating mixtures of olefins.
引用
收藏
页码:2454 / 2462
页数:9
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