Dynamic electrophoretic mobility of a spherical colloidal particle

被引：44

作者：

Ohshima, H ^{[1
]}

机构：

[1] SCI UNIV TOKYO,INST COLLOID & INTERFACE SCI,SHINJUKU KU,TOKYO 162,JAPAN

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1996年 / 179卷 / 02期

关键词：

dynamic electrophoretic mobility; spherical particle; oscillating electric field;

D O I：

10.1006/jcis.1996.0234

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：

A general expression for the dynamic electrophoretic mobility of a spherical colloidal particle in an oscillating electric field is obtained from the electrokinetic equations derived by Mangelsdorf and White (J, Chem, Sec. Faraday Trans, 88, 3567 (1992)), On the basis of the obtained general mobility expression, accurate simple analytic formulas suitable for numerical calculation are derived for the dynamic electrophoretic mobility and the ratio of dynamic and static mobilities which are applicable for all kappa a (kappa is the Debye-Huckel parameter and a is the particle radius) at zero particle permittivity and low zeta potentials. (C) 1996 Academic Press, Inc.

引用

页码：431 / 438

页数：8

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