Dec 18, 2009
The abbreviation STP is often used for standard temperature and pressure. As a matter of convenience, scientists have chosen a specific temperature and pressure as standards for comparing gas volumes. The standard temperature is 0° Celsius (320 Fahrenheit or 2730 Kelvin) and the standard pressure is 760 torr (29.92 inches or 1 atmosphere).
Source: Kroschwitz. Jacqueline I. Chemistry, p. 212.
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