The saturation and immersion expansions and the heat of wetting

The saturation and immersion expansions and the heat of wetting

In previous papers of this series evidence was advanced that: (i) The expansion which unactivated wood charcoal undergoes when adsorbing gases or vapours is directly proportional to its surface (free) energy lowering (Parts II and III). (ii) The Gibbs adsorption equation, relating the adsorption, th...

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Veröffentlicht in:Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences Mathematical and physical sciences, 1938-06, Vol.166 (927), p.572-586
Hauptverfasser: Bangham, D. H., Razouk, R. I.
Format: Artikel
Sprache:eng
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Zusammenfassung:In previous papers of this series evidence was advanced that: (i) The expansion which unactivated wood charcoal undergoes when adsorbing gases or vapours is directly proportional to its surface (free) energy lowering (Parts II and III). (ii) The Gibbs adsorption equation, relating the adsorption, the surface energy decrement of the charcoal, and the pressure of the gas, is valid except when a change of surface phase is in progress (Parts II and III).
ISSN:0080-4630
2053-9169
DOI:10.1098/rspa.1938.0112