ASSISTED ION TRANSFER AT MICRO-ITIES SUPPORTED AT THE TIP OF MICROPIPETTES

被引：161

作者：

SHAO, Y

OSBORNE, MD

GIRAULT, HH

机构：

[1] Department of Chemistry, University of Edinburgh, Edinburgh, EH9 3JJ, West Mains Road

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1991年 / 318卷 / 1-2期

关键词：

D O I：

10.1016/0022-0728(91)85297-3

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Micro liquid-liquid interfaces supported at the tip of glass micropipettes have been used to study the assisted transfer of potassium by dibenzo-18-crown-6 at the water-1,2-dichloroethane interface. This technique allows the measurement of the ratio of the diffusion coefficients of the free ionophore and of the complexed ion. It also shows that the transfer occurs by an interfacial complexation-dissociation process. A new nomenclature for assisted ion transfer is also proposed.

引用

页码：101 / 109

页数：9

共 15 条

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