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Sedimentation Potential and Velocity in a Concentrated Suspension of Soft Particles

✍ Scribed by Hiroyuki Ohshima

Publisher: Elsevier Science
Year: 2000
Tongue: English
Weight: 111 KB
Volume: 229
Category: Article
ISSN: 0021-9797
DOI: 10.1006/jcis.2000.6963

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✦ Synopsis

A theory of sedimentation in a concentrated suspension of spherical soft particles (i.e., polyelectrolyte-coated particles) is developed to obtain general expressions for sedimentation velocity of soft particles and sedimentation potential in the suspension. An Onsager relation between sedimentation potential and electrophoretic mobility of spherical soft particles in concentrated suspensions is derived for the case of low potentials and nonoverlapping electrical double layers of adjacent particles. Copyright 2000 Academic Press.

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