EXTRACTION CHROMATOGRAPHY WITH MODIFIED POLY(VINYL CHLORIDE) AND DI(2-ETHYLHEXYL)DITHIOPHOSPHORIC ACID

被引：3

作者：

BROMBERG, L ^{[1
]}

LEVIN, G ^{[1
]}

机构：

[1] WEIZMANN INST SCI,DEPT MAT & INTERFACES,IL-76100 REHOVOT,ISRAEL

来源：

JOURNAL OF CHROMATOGRAPHY | 1993年 / 634卷 / 02期

关键词：

D O I：

10.1016/0021-9673(93)83004-C

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A method for the preparation of packed-bed columns made of gelled beads is described. The stable gelled beads composed of dialkyldithiocarbamate- or dialkyldithiophosphate-substituted poly(vinyl chloride) and di(2-ethylhexyl)dithiophosphoric acid were capable of the selective separation of metal ions. The stoichiometries of Ag+/H+ and Cd2+/H+ extraction were established to be 3:1 and 2:1, respectively. A simple model of Ag+ extraction kinetics was correlated with the experimental data. The selectivity of metal separations in displacement and elution chromatography was demonstrated.

引用

页码：183 / 196

页数：14

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