Evaluation of coelectroosmotic capillary zone electrophoresis for the rapid analysis of twelve aromatic sulphonate compounds

被引：0
|
作者：
M. J. Cugat
F. Borrull
M. Calull
机构：
[1] Universitat Rovira i Virgili,Departament de Química Analítica i Química Orgànica
来源：
Chromatographia | 1999年 / 49卷
关键词：
Capillary electrophoresis; Coelectroosmotic flow; Osmotic modifiers; Aromatic sulphonate compounds; Organic solvents;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Coelectroosmotic capillary zone electrophoresis (CZE) has been investigated as a means of rapid analysis of twelve aromatic sulphonate compounds. The main factors affecting reversal of electroosmotic flow (EOF)—type of osmotic modifier and concentration-were studied. Two types of osmotic modifier, an alkylammonium salt (cetyltrimethylammonium bromide, CTAB) and a cationic polyelectrolyte (hexadimentrine bromide, HDB) were investigated. The composition of the running buffers was optimized according to the characteristics of each osmotic modifier. A concentration of HDB as low as 0.0001% (w/v) was used successfully to provide a stable and reversed EOF.
引用
收藏
页码：261 / 267
页数：6
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