INDIRECT FLUOROMETRIC DETECTION OF ALKALI AND ALKALINE-EARTH METAL-IONS IN CAPILLARY ZONE ELECTROPHORESIS WITH CERIUM(III) AS CARRIER ELECTROLYTE

被引:74
作者
BACHMANN, K
BODEN, J
HAUMANN, I
机构
[1] Fachbereich Chemie der Technischen Hochschule Darmstadt, D(W)- 6100 Darmstadt
来源
JOURNAL OF CHROMATOGRAPHY | 1992年 / 626卷 / 02期
关键词
D O I
10.1016/0021-9673(92)85418-S
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
It is shown that cerium(III) sulphate is a useful electrolyte for the determination of ammonium and alkali and alkaline earth metal ions using capillary zone electrophoresis with indirect fluorimetric detection. The limits of detection are in the low micromolar range. The separation can be influenced by adding 18-crown-6 to the electrolyte solution to change the retention behaviour of the analyte ions. Some examples of separations of standard solutions and practical applications are given to demonstrate the possibility of qualitative and quantitative analyses.
引用
收藏
页码:259 / 265
页数:7
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