Title
Equilibrium surface tensions and surface potentials of some fatty acids Equilibrium surface tensions and surface potentials of some fatty acids
Author
Publication type
article
Publication
Amsterdam ,
Subject
Chemistry
Source (journal)
Colloids and surfaces: A: physicochemical and engineering aspects. - Amsterdam
Volume/pages
143(1998) :2-3 , p. 467-475
ISSN
0927-7757
ISI
000077755300029
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
In this paper, the equilibrium surface tension versus concentration isotherms and equilibrium surface potential versus concentration isotherms of aqueous solutions of the homologous series of fatty acids (C-6, C-8 and C-10) have been evaluated by a new surface equation-of-state approach. All parameters (saturation adsorption, saturation potential, Langmuir-von Szyszkowski distribution coefficient, interaction parameter, dipole moment, skewness parameters) reveal a linear relation with the chain length. The measurement of equilibrium surface potentials has been improved and very stable results were obtained (the surface potential did not change over several hours), within 1 mV or better. The complementary information obtained from these very stable surface potentials gave rise to a new approach. (C) 1998 Elsevier Science B.V. All rights reserved.
E-info
https://repository.uantwerpen.be/docman/iruaauth/a58a13/2be6130.pdf
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