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Composition of mixed anionic/nonionic surfactant micelles

  • Published:
Journal of Surfactants and Detergents

Abstract

A proposed method of determining the composition of mixed micelles in equilibrium with monomer of known composition is described. The systems were sodium dodecyl sulfate-polyoxyethylene 23 lauryl ether (Brij 35) in water and in 0.1 M sodium chloride solution at 25°C. This technique applies the Gibbs-Duhem equation to the mixed micelle, which is treated as a pseudophase. This proposed methodology which needs only critical micelle concentration data as a function of monomer composition, is applied to an anionic/nonionic surfactant pair. The calculated monomer-micelle equilibrium is found to be very similar to the much-used regular solution for nonideal systems.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Sciences and Letters, Trakya University, 22030, Edirne, Turkey

    Halide Akbaş, Mehmet Işcan & Taliha Sidim

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  1. Halide Akbaş
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  2. Mehmet Işcan
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  3. Taliha Sidim
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Akbaş, H., Işcan, M. & Sidim, T. Composition of mixed anionic/nonionic surfactant micelles. J Surfact Deterg 3, 77–80 (2000). https://doi.org/10.1007/s11743-000-0117-0

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  • DOI: https://doi.org/10.1007/s11743-000-0117-0

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