Calixarene derivative as the neutral carrier in silver ion-selective electrode and liquid membrane transport

被引：63

作者：

Chen, LX ^{[1
]}

He, XW ^{[1
]}

Zhao, BT ^{[1
]}

Liu, Y ^{[1
]}

机构：

[1] Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China

来源：

ANALYTICA CHIMICA ACTA | 2000年 / 417卷 / 01期

基金：

中国国家自然科学基金;

关键词：

calixarene derivative; silver ion-selective electrode; liquid membrane;

D O I：

10.1016/S0003-2670(00)00912-0

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The performances of calixarene derivative containing nitrogen atom used as a neutral carrier for silver polymeric membrane electrode and in metal ions transport by bulk liquid membrane were investigated. The faster transport rates were found by the soft heavy metal ions such as Ag+, Hg2+ in the bulk liquid membrane system. The silver ion-selective electrode based on calixarene derivative gave a good Nernstian response of 57 mV per decade for silver in the activity range 5 x 10(-6)-10(-2) M, the limit of detection reached 10(-5.3) M and exhibited high selectivity towards alkali, alkaline earth and transition metal ions. The electrode was used as the indicator electrode in titrations of Br- and Cl- with Ag+ ion. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：51 / 56

页数：6

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