STP

abbreviation: STP
https://doi.org/10.1351/goldbook.S06036
Abbreviation for standard temperature (273.15 K or 0 ⚬C) and pressure (105 Pa); usually employed in reporting gas volumes. Note that flow meters calibrated in standard gas volumes per unit time often refer to volumes at 25 ⚬C, not 0 ⚬C.
See also: standard conditions for gases
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2217 [Terms] [Paper]
Citation: 'STP' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S06036 RIS BibTex EndNote
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Last revised: February 24, 2014