film element

https://doi.org/10.1351/goldbook.F02370
A small homogeneous part of a @[email protected] including the two @[email protected] and any fluid between them.
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 613 [Terms] [Paper]