TRANSPORT OF CALCIUM AND POTASSIUM-IONS IN OPPOSITE DIRECTIONS IN A LIQUID MEMBRANE SYSTEM

被引：12

作者：

NAKATSUJI, Y ^{[1
]}

INOUE, T ^{[1
]}

WADA, M ^{[1
]}

OKAHARA, M ^{[1
]}

机构：

[1] OSAKA UNIV,FAC CLIN GENET,DEPT APPL CHEM,SUITA,OSAKA 565,JAPAN

来源：

JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY | 1991年 / 10卷 / 03期

关键词：

CROWN ETHER; SYNTHETIC IONOPHORE; LIQUID MEMBRANE; ACTIVE TRANSPORT;

D O I：

10.1007/BF01133322

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new type of 18-crown-6 derivative having two carboxylic acids on the side arms transported calcium and potassium ions in opposite directions across a dichloromethane membrane by pH control. Calcium and potassium ions were concentrated in the acidic and the basic phases, respectively. The presence of picrate ion in the acidic phase plays an important role in the transport of potassium ion from the acidic to the basic phase.

引用

页码：379 / 386

页数：8

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