The adsorption curve for physical adsorption at high relative pressures

The adsorption curve for physical adsorption can, in the region of relative pressures between 0.05 and 0.35, be reasonably well described by the BET equation. At higher relative pressures, where multimolecular adsorption governs the curve, its course cannot be described by the BET equation. It is in...

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Bibliographic Details
Published in:Journal of colloid and interface science 1972, Vol.38 (1), p.97-100
Main Authors: De Boer, J.H, Kaspersma, J.H, Van Dongen, R.H, Broekhoff, J.C.P
Format: Article
Language:English
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Summary:The adsorption curve for physical adsorption can, in the region of relative pressures between 0.05 and 0.35, be reasonably well described by the BET equation. At higher relative pressures, where multimolecular adsorption governs the curve, its course cannot be described by the BET equation. It is in this region that, e.g., differences between metallic and nonmetallic adsorbents give interesting information.
ISSN:0021-9797
1095-7103
DOI:10.1016/0021-9797(72)90224-X