Abstract
A theory of the dynamic electrophoresis of a spherical colloidal particle with a slip surface in an oscillating electric field is developed. The slipping length on the particle surface, which is the measure of the degree of the particle surface hydrophobicity, is introduced. The general expression of the particle electrophoretic mobility and its approximate analytic expressions for a particle carrying a low zeta potential are derived.
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Acknowledgements
I thank Dr. Partha P. Gopmandal of National Institute of Technology Durgapru and Prof. Somnath Bhattacharyya of Indian Institute of Technology Kharagpur for introducing me in the field of electrokinetics of a colloidal particle with a slip surface.
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Ohshima, H. Dynamic electrophoretic mobility of a spherical colloidal particle with a hydrodynamically slipping surface in an oscillating electric field. Colloid Polym Sci 298, 459–462 (2020). https://doi.org/10.1007/s00396-020-04635-2
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DOI: https://doi.org/10.1007/s00396-020-04635-2