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The Effect of Hydrophobicity of Silicate Minerals on the Adsorption of Dodecylammonium Acetate

Published online by Cambridge University Press:  10 February 2011

Picheng Huang  and
Douglas W. Fuerstenau
Picheng Huang
Affiliation:
Hazen Research, Inc.4601 Indiana Street, Golden, CO 80403
Douglas W. Fuerstenau
Affiliation:
Department of Materials Science and Mineral Engineering, University of California, Berkeley, CA 94720
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Abstract

The interaction between hydrophobic species plays an important role in the adsorption of surfactants. In this paper, naturally hydrophilic quartz and naturally hydrophobic talc were selected as model minerals for studying the adsorption of the cationic surfactant, dodecylammonium acetate (DAA). The effect of the hydrophobicity of minerals on the adsorption of DAA was investigated by measuring zeta potentials, adsorption densities and suspension stabilities as a function of pH in the presence of DAA.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 432: Symposium S – Aqueous Chemistry and Geochemistry of Oxides , 1996 , 351
Copyright
Copyright © Materials Research Society 1997

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