CATALYSIS OF ION TRANSFER BY TETRAPHENYLBORATES IN NEUTRAL CARRIER-BASED ION-SELECTIVE ELECTRODES

被引：185

作者：

GEHRIG, P ^{[1
]}

MORF, WE ^{[1
]}

WELTI, M ^{[1
]}

PRETSCH, E ^{[1
]}

SIMON, W ^{[1
]}

机构：

[1] SWISS FED INST TECHNOL,DEPT ORGAN CHEM,UNIV STR 16,CH-8092 ZURICH,SWITZERLAND

来源：

HELVETICA CHIMICA ACTA | 1990年 / 73卷 / 01期

关键词：

D O I：

10.1002/hlca.19900730124

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

For certain ionophores of extremely high lipophilicity, kinetic limitations of the carrier‐induced ion transfer between aqueous and membrane phase may heavily disturb the electromotive behaviour of the ion‐selective membrane electrode. These limitations may be overcome by adding tetraphenylborates to the membrane phase. Membranes prepared with different 3,6‐dioxaoctanediamide homologues and potassium tetrakis(P‐chlorophenyl)borate as phase‐transfer catalyst all exhibit the same ion selectivity as well as theoretical electrode response. This behaviour is corroborated by a theoretical description of the ion‐transfer process. Copyright © 1990 Verlag GmbH & Co. KGaA, Weinheim

引用

页码：203 / 212

页数：10

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