Comparative Study of Monolayer Fatty Acids at the Air/Water Interface
Journal Title: Leonardo Electronic Journal of Practices and Technologies - Year 2003, Vol 2, Issue 3
Abstract
The behavior of insoluble monolayer of surfactants spread at the air/water interfaces is frequently studied by recording compression isotherms. The compression isotherms given in terms of surface pressure versus mean molecular area are well reproducible for a chosen spreading molecular area of fatty acids, like stearic acid, oleic acid and linoleic acid.Mathematical modeling of these isotherms is performed by means of surface state equations. In the literature, a great variety of such equations have been proposed. In the present paper is made a study of the compression isotherms of oleic acid (OA) monolayer spread at the air /water interface on acidic aqueous solutions (pH = 2).
Authors and Affiliations
Bianca RUS
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