EFFICIENT CHROMATOGRAPHIC EVALUATION OF CROWN-ETHER COMPLEXATION WITH ALKALI-METAL IONS

被引：17
|
作者：
OKADA, T
USUI, T
机构：
[1] Faculty of Liberal Arts, Shizuoka University
来源：
ANALYTICAL CHEMISTRY | 1994年 / 66卷 / 10期
关键词：
D O I：
10.1021/ac00082a009
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A chromatographic method based on the ion-exchange resin phase complexation of crown ethers with a countercation is proposed to determine the solution phase complexation constants, which can be extracted from dependences of the retention of crown ethers on the metal ion concentration in a mobile phase. A single experiment also allows the rough estimation of complexation constants as long as 1:1 stoichiometry is maintained for the resin phase complexation. The column design for the precise evaluation of the complexation is also discussed using nonlinear regression.
引用
收藏
页码：1654 / 1657
页数：4
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