Electrical Conductivity of Mixed Electrolytes: Modeling within the Mean Spherical Approximation

被引：33

作者：

Roger, Gaelle M. ^{[1
,2
]}

Durand-Vidal, Serge ^{[1
]}

Bernard, Olivier ^{[1
,2
]}

Turq, Pierre ^{[1
]}

机构：

[1] Univ Paris 06, F-75005 Paris, France

[2] CNRS, UMR 7195, F-75005 Paris, France

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2009年 / 113卷 / 25期

关键词：

TRANSPORT-COEFFICIENTS; ASYMMETRIC ELECTROLYTES; CONDUCTANCE; MIXTURES; 25-DEGREES-C; SIMULATIONS; EQUATIONS; DIFFUSION; SYSTEMS; CHARGE;

D O I：

10.1021/jp901916r

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The purpose of this study is to predict the electrical conductivity of an electrolyte solution containing several simple ionic species. Explicit equations of the MSA-transport theory for the electrical conductivity in this complex solution are given. The theoretical conductivity of simple salts is first compared to experimental results of the literature to deduce the sizes of the ions. These sizes allow us to calculate the conductivity for a mixture of several ionic species without any additional parameter. We have also measured the electrical conductivity of solutions of LiCl, NaCl, and KCl and of KBr and MgCl(2) at 25 degrees C. A very good agreement between theoretical calculations and experimental values is obtained for each studied system.

引用

页码：8670 / 8674

页数：5

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