Gibbs film elasticity

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