ZINC-SELECTIVE MEMBRANE-ELECTRODE USING TETRABUTYL THIURAM DISULFIDE NEUTRAL CARRIER

被引：46

作者：

KOJIMA, R ^{[1
]}

KAMATA, S ^{[1
]}

机构：

[1] KAGOSHIMA UNIV,FAC ENGN,DEPT APPL CHEM & CHEM ENGN,KAGOSHIMA 890,JAPAN

来源：

ANALYTICAL SCIENCES | 1994年 / 10卷 / 03期

关键词：

ZINC-SELECTIVE MEMBRANE ELECTRODE; ZINC ION; NEUTRAL CARRIER; TETRABUTYL THIURAM DISULFIDE;

D O I：

10.2116/analsci.10.409

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A poly(vinyl chloride) membrane electrode that is highly sensitive and selective for zinc ions has been developed by using tetrabutyl thiuram disulfide neutral carrier. This electrode incorporated the ionophore along with o-nitrophenyloctyl ether as a plasticizing solvent mediator and potassium tetrakis(p-chlorophenyl)borate as anion excluder; it exhibited a linearity range of 10(-1)-10(-6) M with a Nernstian slope of 28.0 mV per decade at 25+/-1-degrees-C. The membrane electrode showed a good response to zinc ions in the useful pH range of 3.5 to 6.5, where interferences arise only from a few transition metals such as Cu(II) and Pb(II).

引用

页码：409 / 412

页数：4

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