surface excess Gibbs energy
Defined by \[G^{\sigma }=H^{\sigma }- T\ S^{\sigma }=A^{\sigma }- \gamma \ A_{\text{s}}\] where \(H^{\sigma }\) is the @S06174@, \(T\) is the @T06321@, \(S^{\sigma }\) is the @S06175@, \(A^{\sigma }\) is the @S06177@, \(\gamma \) is the @S06192@, and \(A_{\text{s}}\) is the area relative to a @G02635@.
PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 599 [Terms] [Paper]