Abstract

The determination of water/clay contact angles

Author(s): Ahmed K.Helmy, Silvia G.de Bussetti, Eladio A.Ferreiro

The water contact angles on montmorillonite and other minerals were obtained from the water adsorption isotherm data through the evaluation of the Gibbs adsorption integral for vapour pressures corresponding to monolayer coverage and saturation. The values obtained compare favorably with published data obtained by the sessile drop and plate methods.


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