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Dukhin, St. ; Zimmermann, R. ; Werner, C.
Electrophoresis of soft particles at high electrolyte concentrations: An interpretation by the Henry theory

The existence of electrophoretic mobility at high electrolyte concentrations defines a remarkable peculiarity in the electrosurface characteristics of soft particles. According to Ohshima [H. Ohshima, Colloids Surf. 103 (1995) 249], this effect is caused by the electroosmotic flow within the soft particle shell. An explanation supporting Ohshima's conclusion can be derived from classic electrokinetic theories. Based on the Henry theory [D.C. Henry, Proc. R. Soc. London Ser. A 133 (1931) 106], we demonstrate that the electrophoretic mobility of soft particles does not disappear at decinormal concentration.

Quelle
Journal of Colloid and Interface Science 313, 676-679

DOI
http://dx.doi.org/10.1016/j.jcis.2007.04.072

Erschienen am
August 2007
 
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