surface of a phase (free surface)

https://doi.org/10.1351/goldbook.S06182
The plane ideally marking the boundary between a phase and its environment.
Source:
PAC, 1983, 55, 1251. (Interphases in systems of conducting phases (Provisional)) on page 1252 [Terms] [Paper]
Citation: 'surface of a phase' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.S06182 RIS BibTex EndNote
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Last revised: February 24, 2014