Frequency-dependant electrical conductivity of concentrated dispersions of spherical colloidal particles
Date
2008
Authors
Hajek, B.H.
Miklavcic, S.J.
White, L.R.
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Journal article
Citation
Langmuir, 2008; 24(9):4512-4522
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Abstract
This paper outlines the application of a self-consistent cell-model theory of electrokinetics to the problem of determining the electrical conductivity of a dense suspension of spherical colloidal particles. Numerical solutions of the standard electrokinetic equations, subject to self-consistent boundary conditions, are implemented in formulas for the electrical conductivity appropriate to the particle-averaged cell model of the suspension. Results of calculations as a function of frequency, zeta potential, volume fraction, and electrolyte composition, are presented and discussed.
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Copyright 2008 American Chemical Society