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Atmosphere (ATM)

Atmosphere (ATM)

The standard atmosphere is defined as the pressure exerted by a column of mercury 760 mm high with a density of 13,595 g/cm³ at the standard acceleration due to gravity of 9.8 m/s². The 760th part of this pressure unit is the torr. The technical atmosphere (at) denotes the pressure of a force of 1 kg acting on an area of 1 cm².(03113)