CALCULATION OF THE SPECIFIC SURFACE-AREA USING A MODEL FOR MULTILAYER ADSORPTION ON HETEROGENEOUS SOLID GAS INTERFACES

被引：10
|
作者：
TOTH, J
机构：
[1] Research Laboratory for Mining Chemistry, The Hungarian Academy of Sciences, H-3515 Miskolc -Egyetemváros
来源：
COLLOIDS AND SURFACES | 1990年 / 49卷 / 1-2期
关键词：
D O I：
10.1016/0166-6622(90)80092-I
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：
According to the basic principle of the model all adsorbed molecules, except ones adsorbed in the primary layer, are in a fast lateral and vertical movement. Type II isotherms can be explained, and accurately described by this idea. The model also takes into account the heterogeneity of the adsorbents. The specific surface area can be calculated using the assumption that the monolayer and multilayer adsorptions may be separated from one another with an equilibrium pressure pr,e. The calculated surface is independent of the nature of the adsorptives if the pr,e values are attributed to point B on type II isotherms. © 1990.
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页码：57 / 69
页数：13
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