Dynamic electrophoretic mobility of a spherical colloidal particle

被引:45
作者
Ohshima, H [1 ]
机构
[1] SCI UNIV TOKYO,INST COLLOID & INTERFACE SCI,SHINJUKU KU,TOKYO 162,JAPAN
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
收藏
页码:431 / 438
页数:8
相关论文
共 13 条
[1]   ELECTROKINETIC MEASUREMENTS BY ELECTROACOUSTICAL METHODS [J].
BABCHIN, AJ ;
CHOW, RS ;
SAWATZKY, RP .
ADVANCES IN COLLOID AND INTERFACE SCIENCE, 1989, 30 (1-2) :111-151
[2]  
BABCHIN AJ, 1990, 1990 INT S SURF CHAR, P49
[3]   THIN DOUBLE-LAYER APPROXIMATION FOR ELECTROPHORESIS AND DIELECTRIC RESPONSE [J].
FIXMAN, M .
JOURNAL OF CHEMICAL PHYSICS, 1983, 78 (03) :1483-1491
[5]   FREQUENCY-DEPENDENCE OF ELECTROACOUSTIC (ELECTROPHORETIC) MOBILITIES [J].
JAMES, RO ;
TEXTER, J ;
SCALES, PJ .
LANGMUIR, 1991, 7 (10) :1993-1997
[6]   LOW-ZETA-POTENTIAL ANALYTIC SOLUTION FOR THE ELECTROPHORETIC MOBILITY OF A SPHERICAL COLLOIDAL PARTICLE IN AN OSCILLATING ELECTRIC-FIELD [J].
MANGELSDORF, CS ;
WHITE, LR .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1993, 160 (02) :275-287
[7]   ELECTROPHORETIC MOBILITY OF A SPHERICAL COLLOIDAL PARTICLE IN AN OSCILLATING ELECTRIC-FIELD [J].
MANGELSDORF, CS ;
WHITE, LR .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1992, 88 (24) :3567-3581
[8]   ELECTROPHORETIC MOBILITY OF A SPHERICAL COLLOIDAL PARTICLE [J].
OBRIEN, RW ;
WHITE, LR .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS II, 1978, 74 :1607-1626
[9]   THE ELECTROPHORETIC MOBILITY OF LARGE COLLOIDAL PARTICLES [J].
OBRIEN, RW ;
HUNTER, RJ .
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1981, 59 (13) :1878-1887
[10]   ELECTRO-ACOUSTIC EFFECTS IN A DILUTE SUSPENSION OF SPHERICAL-PARTICLES [J].
OBRIEN, RW .
JOURNAL OF FLUID MECHANICS, 1988, 190 :71-86