This is an Attribute that refers to the standard ambient temperature and pressure (SATP) of place, which is at the temperature of 298.15 KelvinDegree (25 CelsiusDegree, 77 FahrenheitDegree) and the absolute pressure of exactly 100 kPa (750.06 mmHg, 29.530 InchMercury), established by the International Union of Pure and Applied Chemistry (IUPAC). StandardAmbientTemperaturePressure is a standard set of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data. [text courtesy Wikipedia]
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