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Title of article :
Derivation of a new equation for prediction of the thin layer depth of the extended-Langmuir model for dilute binary mixtures
Author/Authors :
Azizian، نويسنده , , Saeid and Moghadam، نويسنده , , Tahere Fereidooni، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2011
Pages :
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Abstract :
Extended Langmuir model is a model which correlates the surface tension data with bulk composition. One of main objectives of this model is considering the surface as a thin layer of finite depth. In the present work by combination of the Gibbs equation with extended Langmuir model and making some assumptions a new and simple equation was derived for estimating the depth of surface thin layer of dilute binary liquid mixtures. It was shown that the depth of surface layer decreases in a linear form with increasing of solute concentration in the dilute region.
Keywords :
Depth of surface thin layer , Surface Tension , Extended Langmuir model
Journal title :
Colloids and Surfaces A Physicochemical and Engineering Aspects
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Link To Document :