Dielectric response of a dilute suspension of spherical colloidal particles to an oscillating electric field
Dielectric response of a dilute suspension of spherical colloidal particles to an oscillating electric field
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DOI：
10.1039/a701289f
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发表时间：
1997-09-07
期刊：
影响因子：
--
通讯作者：
White, LR
中科院分区：
文献类型：
--
作者：
Mangelsdorf, CS;White, LR
Mangelsdorf和白色（C. S. Mangelsdorf和L. R.白色，J. Chem. Soc.，法拉第变换器，1992，88，3567）来计算受到振荡电场的固体、球形胶体颗粒的电泳迁移率，该方法被扩展以计算球形胶体颗粒在振荡电场中的稀悬浮液的介电响应和电导率。粒径和电解质浓度。数值结果与De Lacey和白色（E. H. B。De Lacey和L. R.白色，J. Chem. Soc.，法拉第trans.2，1981，77，2007）和由奥布莱恩（R. W.奥布莱恩，胶体界面科学杂志，1986，113，81）和Hinch等人（E. J. Hinch，J. D.舍伍德，W. C. Chew和P.N. Sen，法拉第trans.2，1984，80，535）.计算介电响应和其它可变频率传输特性的程序可从作者处获得。
The theory developed by Mangelsdorf and White (C. S. Mangelsdorf and L. R. White, J. Chem. Soc., Faraday Trans., 1992, 88, 3567) to calculate the electrophoretic mobility of a solid, spherical colloidal particle subjected to an oscillating electric field is extended to compute the dielectric response and electrical conductivity of a dilute suspension of spherical colloidal particles in an oscillating electric field.The magnitude and phase of the dipole strength are displayed as functions of zeta potential, frequency, particle size and electrolyte concentration. The numerical results are compared with the model of De Lacey and White (E. H. B. De Lacey and L. R. White, J. Chem. Soc., Faraday Trans. 2, 1981, 77, 2007) and the thin double layer theories developed by O'Brien (R. W. O'Brien, J. Colloid Interface Sci., 1986, 113, 81) and Hinch et al. (E. J. Hinch, J. D. Sherwood, W. C. Chew and P. N. Sen, J. Chem. Soc. Faraday Trans. 2, 1984, 80, 535).A program for calculating the dielectric response and other variable frequency transport properties, is available from the authors.