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Adsorption of sodium octylbenzene-sulfonate at the liquid/air interface

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Abstract

The surface tensions of aqueous solutions containing sodium octylbenzenesulfonate were measured by means of a processor tensiometer at 20°, 25°, 30° and 35°C. A test for the layer model and thickness of the adsorbed phase is proposed. By means of a linear regression the surfactant area at liquid/air interface was calculated. Finally, the molar-and surface-related thermodynamic functions were discussed.

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Knapikowski, R., Messow, U., Bräuer, P. et al. Adsorption of sodium octylbenzene-sulfonate at the liquid/air interface. Colloid Polym Sci 274, 461–469 (1996). https://doi.org/10.1007/BF00652469

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  • DOI: https://doi.org/10.1007/BF00652469

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