DIELECTRIC CONTROL OF THE BEHAVIOR OF ION-EXCHANGE RESINS

被引:4
|
作者
BESSIERE, J
KLEBER, A
SUTAPA, I
PERDICAKIS, M
机构
[1] Laboratoire de Chimie Physique pour l'Environnement, UMR 9992, CNRS, Université Henri Poincaré, Nancy 1, Groupe de Recherche en Chimie et Electrochimie Analytiques, 405 rue de Vandouevre
关键词
ION-EXCHANGE RESINS; DIELECTRIC SENSORS; IMPEDANCE VARIATIONS;
D O I
10.1016/0925-4005(94)01629-V
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Complex-impedance variations of the ion-exchange resin DOWEX 50X8 with the type of counterion allow one to follow the Cu2+/H+ and Ca2+/Na+ exchange reactions without chemical analysis of solutions. Frequency and ionic strength effects are specified. This method is effective for following the Na+/K+ separation by displacement of Ca2+ ions.
引用
收藏
页码:411 / 413
页数:3
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