Properties of mixed adsorption films of 2,2,2-trichloroethanol-ethanol at the water/air interface

被引：6
|
作者：
Paluch, M
Gzyl, B
机构：
[1] Dept. Phys. Chem. and Electrochem., Faculty of Chemistry, Jagiellonian University, 30-060 Kraków
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1996年 / 179卷 / 01期
关键词：
surface potential; surface tension; mixed adsorption films; effective dipole moment; aqueous solution/air interface;
D O I：
10.1006/jcis.1996.0187
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The properties of aqueous 2,2,2-trichloroethanol-ethanol mixtures were studied by surface potential and surface tension measurements. Based on the Gibbs equation and Motomura's method the relative surface excesses of adsorbed substances, molar fractions of solutes, surface orientation angles of molecules at the interface, and miscibility of adsorbed films were determined. The effective dipole moment of 2,2,2-trichloroethanol was obtained on the basis of surface excess values and surface potential changes, using the Helmholtz equation. (C) 1996 Academic Press, Inc.
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页码：51 / 56
页数：6
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