fugacity, f, p~

https://doi.org/10.1351/goldbook.F02543
Of a substance B, fB or p~B, in a gaseous mixture is defined by fB=λB limp→0pBλB, where pB is the partial pressure of B and λB its absolute activity.
Source:
Green Book, 2nd ed., p. 50 [Terms] [Book]
See also:
PAC, 1984, 56, 567. (Physicochemical quantities and units in clinical chemistry with special emphasis on activities and activity coefficients (Recommendations 1983)) [Terms] [Paper]
PAC, 1994, 66, 533. (Standard quantities in chemical thermodynamics. Fugacities, activities and equilibrium constants for pure and mixed phases (IUPAC Recommendations 1994)) [Terms] [Paper]
Citation: 'fugacity' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.F02543 RIS BibTex EndNote
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