Gibbs adsorption isotherm
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Gibbs adsorption isotherm
[′gibz ad′sȯrp·shən ′ī·sō‚thərm] (physical chemistry)
An equation for the surface pressure of surface monolayers, where φ is surface pressure, T is absolute temperature, R is the gas constant, Γ is the number of molecules adsorbed per gram per unit surface area, and p is the pressure of the gas.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.