The temperature and pressure at which the liquid and vapour intensive properties (density,
, etc.) become equal. It is the highest temperature (critical temperature
) and pressure (critical pressure
) at which both a gaseous and a liquid phase of a given compound can coexist.
PAC, 1990, 62, 2167
(Glossary of atmospheric chemistry terms (Recommendations 1990))
on page 2183
PAC, 1993, 65, 2397
(Nomenclature for supercritical fluid chromatography and extraction (IUPAC Recommendations
on page 2399
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook