Abstract
Equations have been derived for osmotic and activity coefficients of ionic surfactant solutions. The equations are based on a single-step association process that includes counterion binding and a thermodynamic treatment of a micellar solution as a mixed electrolyte. The model includes the effects of ion-ion interactions and provides a basis for a self-consistent treatment of the thermodynamic properties of surfactant solutions. The model has previously been applied to experimental data for aqueous surfactant solutions and demonstrated to provide quantitative agreement with a relatively small number of adjustable parameters. The extension of the model to include surfactant-water-electrolyte solutions is presented, and model equations are compared with experimental data.
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© 1986 Plenum Press, New York
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Burchfield, T.E., Woolley, E.M. (1986). Model for Thermodynamics of Ionic Surfactants: Effect of Electrolytes on Osmotic and Activity Coefficients. In: Mittal, K.L., Bothorel, P. (eds) Surfactants in Solution. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-1831-6_4
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DOI: https://doi.org/10.1007/978-1-4613-1831-6_4
Publisher Name: Springer, Boston, MA
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