Iodide-selective electrodes based on the silver(I) complex of a novel N-thiocarbamoylimine-dithioether derivative

被引：36

作者：

ElAamrani, FZ

Sastre, A

Aguilar, M

Beyer, L

Florido, A

机构：

[1] UNIV POLITECN CATALUNYA,ETSEIB,DEPT ENGN QUIM,E-08028 BARCELONA,SPAIN

[2] UNIV LEIPZIG,FAK CHEM & MINERAL,D-04103 LEIPZIG,GERMANY

来源：

ANALYTICA CHIMICA ACTA | 1996年 / 329卷 / 03期

关键词：

ion-selective electrodes; N-thiocarbamoylimine-dithioether; silver(I) complex; icdide; liquid membranes;

D O I：

10.1016/0003-2670(96)00115-8

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Poly(vinyl chloride) membrane ion-selective electrodes (ISEs) based on the silver complex of a novel thiocarbamoylimine-dithioether synthesized in our laboratories as an anion carrier have been developed. An anti-Hofmeister behaviour was obtained, and electrodes responded preferentially to iodide. The response of the electrodes was Nernstian for iodide and sub-Nernstian for thiocyanate and bromide ions. Detection limits around 7.5x10(-9) M and response times of about 10s were obtained for the iodide response of these electrodes. The use of metal-complexes as ionophores in the development of anion-selective electrodes and a comparison among different iodide-responsive membranes are discussed.

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页码：247 / 252

页数：6

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