SEPARATION OF PHENYLENEDIAMINE ISOMERS BY CAPILLARY ZONE ELECTROPHORESIS

被引：8
|
作者：
NIELEN, MWF
机构：
[1] Analytical and Environmental Chemistry Department, Corporate Research, Akzo Research Laboratories Arnhem, 6800 SB Arnhem
来源：
JOURNAL OF CHROMATOGRAPHY | 1992年 / 625卷 / 02期
关键词：
D O I：
10.1016/0021-9673(92)85227-K
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A capillary zone electrophoretic method for the separation of positional isomer's of phenylenediamine is presented. The phenylenediamines were baseline resolved using a fused-silica capillary. However, the analysis of samples containing both an excess of p-phenylenediamine and minor traces of the meta and ortho isomers' and also a high salt content, required a non-polar (DB-1) bonded phase in order to reduce the electroosmotic flow. The method can be used for purity testing of p-phenylene diamine and for the determination of impurities in hydrolysates of synthetic polymers.
引用
收藏
页码：387 / 391
页数：5
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