surface excess enthalpy

https://doi.org/10.1351/goldbook.S06174
Defined by: Hσ=Uσγ As where Uσ is the
surface excess energy
, γ is the
surface tension
, and As is the area relative to a
Gibbs surface
.
Source:
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]