critical point

https://doi.org/10.1351/goldbook.C01396
The temperature and pressure at which the liquid and vapour intensive properties (density, @[email protected], etc.) become equal. It is the highest temperature (@[email protected]) and pressure (@[email protected]) at which both a gaseous and a liquid phase of a given compound can coexist.
Sources:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2183 [Terms] [Paper]
PAC, 1993, 65, 2397. (Nomenclature for supercritical fluid chromatography and extraction (IUPAC Recommendations 1993)) on page 2399 [Terms] [Paper]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014