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    The Hamaker constant of anatase aqueous suspensions

    Year: 2007

    Journal: Journal of Colloid and Interface Science, Volume 316, Issue 2, 15 December 2007, Pages 451-456, 20111221

    Authors: A.I. Gómez-Merinoa, F.J. Rubio-Hernández, J.F. Velázquez-Navarroa, F.J. Galindo-Rosalesa and P. Fortes-Quesada

    Organizations: Rheology and Electrokinetics Group, Department of Applied Physics II, University of Málaga, E-29071 Málaga, Spain

    The linear relationship of the yield stress with the square zeta potential may be used to determine the Hamaker constants in suspensions. In this work we have obtained the Hamaker constant for the attractive forces between anatase particles in aqueous suspensions using this method and compared them with those obtained by contact angle measurement. The results show excellent agreement.