liquid membrane

https://doi.org/10.1351/goldbook.LT06883
Liquid phase existing either in supported or unsupported form that serves as a @MT06878@ barrier between two phases.
Source:
PAC, 1996, 68, 1479. (Terminology for membranes and membrane processes (IUPAC Recommendations 1996)) on page 1486 [Terms] [Paper]