ELECTROCHEMICAL DETERMINATION OF LEAD AND LEAD ION TRANSFER AT LIQUID LIQUID INTERFACES

被引：16
|
作者：
SUN, ZS [1 ]
VANYSEK, P [1 ]
机构：
[1] NO ILLINOIS UNIV,DEPT CHEM,DE KALB,IL 60115
来源：
ANALYTICA CHIMICA ACTA | 1990年 / 228卷 / 02期
关键词：
D O I：
10.1016/S0003-2670(00)80500-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The transfer behavior of lead (II) ion at a liquid-liquid interface, facilitated by neutral carriers (polyethylene glycols), is studied by an electrochemical method. The transfer process is discussed in terms of the formation of complexes in two phases and attributed to the transfer of a complex ion across the interface. The apparent standard transfer potential, Δw oφPbL o, apparent standard Gibbs energy of transfer, Δw oGPbL o, and the dissociation constant of the complex, KPbL, in the aqueous phase are obtained from the experimental data. The results suggest a new electrochemical method for the determination of lead. © 1990.
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收藏
页码：241 / 249
页数：9
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