## Gibbs film elasticity

https://doi.org/10.1351/goldbook.G02634
Pertains to a @F02370@ of a @S05723@ changing in area at constant mass and is the differential change of its @S06192@ with relative change in area $$A$$, $E=A\ (\frac{\partial \sigma }{\partial A})_{T,p,n_{i}}$ where $$T$$ is the @T06321@, $$p$$ is the pressure, and $$n_{i}$$ is the @A00297@ of the species $$i$$.
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 615 [Terms] [Paper]