New polymolecular adsorption isotherm
New polymolecular adsorption isotherm
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新的多分子吸附等温线
DOI:
10.1016/0021-9797(91)90299-n
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发表时间:
1991
期刊:
影响因子:
--
通讯作者:
G. Aranovich
中科院分区:
文献类型:
--
作者:
G. Aranovich
A new polymolecular adsorption isotherm is proposed. Its principal advantage is that, unlike the known isotherms, it is qualitatively adequate in limiting cases, can be derived from a consistent realistic model, and fits the experimental data in a broad concentration range. The use of the new isotherm is legitimate both for polymolecular adsorption of vapors and for adsorption from solutions with limited solubilities of components. In traditional terms, the new isotherm has the form a a m= cx (1+ cx)(1− x) 1 2, where x is relative concentration. This is the first, and at present the only isotherm which is qualitatively correct in limiting cases. The use of the new isotherm, eg, in determining the surface area of disperse and porous materials, makes it possible to obtain more substantiated and reliable results.