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Surface charge properties of colloidal titanium dioxide in ethylene glycol and water

Lookup NU author(s): John Lawson

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Abstract

The surface charge properties of colloidal titanium dioxide dispersions in ethylene glycol and water have been studied. The effect that silica and alumina coatings have on anatase particles is discussed, along with the difference in behaviour between anatase and rutile. Surface charge properties determined by electrophoresis show significant differences between each type of particle and between the two dispersion media. Small amounts of water have a significant effect on the behaviour of the particles, including the ability to change the sign of the charge for uncoated samples. (C) 2002 Published by Elsevier Science B.V.

Publication metadata

Author(s): Chadwick MD, Goodwin JW, Lawson EJ, Mills PDA, Vincent B

Publication type: Article

Publication status: Published

Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year: 2002

Volume: 203

Issue: 1-3

Pages: 229-236

ISSN (print): 0927-7757

ISSN (electronic): 1873-4359

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/S0927-7757(01)01101-3

DOI: 10.1016/S0927-7757(01)01101-3

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