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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 1, Number 4
BKCSDE 1(4)
April 20, 1980 

 
Title
Study of Effect of Lateral Intermolecular Interaction on Multilayer Physical Adsorption of Gas
Author
Sang Hwa Han, Jo W. Lee, Hyungsuk Pak, Seihun Chang
Keywords
Abstract
The effect of lateral intermolecular interactions among the adsorbate molecules has been incorporated into the theory of multilayer physical adsorption developed previously by the present authors within the frame of Bragg-Williams approximation and the resulting adsorption isotherm has been used to interpret the adsorption data of tetramethylsilane vapor on clean iron film which we failed to account for in our previous works. The result has shown that up to the point where the relative pressure is about 0.7 considerable improvement is obtained but beyond this point there still remains large difference between theoretical and experimental isotherm. Such difference is supposed to arise from the neglect of effect of vertical interaction between the adsorbate molecules and the adsorbent surface.
Page
117 - 121
Full Text
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