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Issue 36, 2014
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Thermodynamics of adsorption of ionic surfactants at water/alkane interfaces

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Abstract

On the basis of experimental data for the homologous series of alkyltrimethylammonium bromides (CnTAB) the equilibrium surface tension isotherms at three types of liquid–fluid interfaces are discussed: solution/air, solution/alkane vapor and solution/liquid alkane interfaces. It is shown that the adsorption characteristics can be described at all three interfaces by the same thermodynamic approach. In the presence of alkane molecules (in the liquid alkane phase or in the alkane vapor phase) the CnTAB adsorption layers can be best described by a co-adsorption of the alkane molecules.

Graphical abstract: Thermodynamics of adsorption of ionic surfactants at water/alkane interfaces

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Publication details

The article was received on 28 Feb 2014, accepted on 15 May 2014 and first published on 09 Jun 2014


Article type: Review Article
DOI: 10.1039/C4SM00463A
Citation: Soft Matter, 2014,10, 6873-6887
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    Thermodynamics of adsorption of ionic surfactants at water/alkane interfaces

    V. B. Fainerman, E. V. Aksenenko, N. Mucic, A. Javadi and R. Miller, Soft Matter, 2014, 10, 6873
    DOI: 10.1039/C4SM00463A

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