Thermodynamics of Adsorption
- 1 October 1954
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 22 (10) , 1647-1654
- https://doi.org/10.1063/1.1739867
Abstract
The thermodynamics of the adsorption of gases on solids is developed in terms of a two‐component system. It is shown that all solids swell during the adsorption process, and that spontaneous first‐order phase changes in the adsorbed layer are unlikely. The ideal process: i(gas) → i(adsorbed)—constant environment—is introduced and discussed; thermodynamic functions appropriate to the process are defined. Two types of heat capacity of the adsorbed layer are defined and discussed. The chemical potential of a solid is treated at some length.Keywords
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