SURFACE INTERACTIONS BETWEEN SILICA PARTICLES AND WATER AND ORGANIC-SOLVENTS

被引：32
|
作者：
DOUILLARD, JM [1 ]
ELWAFIR, M [1 ]
PARTYKA, S [1 ]
机构：
[1] UNIV MONTPELLIER 2,URA 3790,PL EUGENE BATAILLON,CASE 015,F-34095 MONTPELLIER,FRANCE
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1994年 / 164卷 / 01期
关键词：
D O I：
10.1006/jcis.1994.1162
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：
A silica sample has been studied by vapor adsorption and by microcalorimetric methods. The combination of these two methods in the case of water allows us to calculate all the thermodynamic terms related to the adhesion on this silica. Adhesion between silica and miscellaneous solvents has been studied by immersion microcalorimetry. The silica is slightly hydrophobic, but the enthalpy of immersion into water is the most energetic one of all the solvents studied. It appears a clear graduation of the enthalpies of immersion due to the presence of delocalized electrons in the studied solvents. (C) 1994 Academic Press, Inc.
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页码：238 / 244
页数：7
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