FIELD: physics.
SUBSTANCE: apparatus has a temperature metre (11), a liquid cryostat (2) with a thermostatting system (3) in which there is a static saturator (1). The saturator (1) is a thin-walled vessel connected to a working chamber (7). The vessel is partially filled with a multicomponent liquid stirred by a magnetic stirrer (9). The working chamber (7) is placed in a liquid thermostat (12) equipped with a thermostatting system (8) and a diffusion channel (5). The diffusion channel (5) is in form of a hollow cylinder consisting of three cylinder bushings built one into the other and fitted with a rotary valve (6) which separates the working chamber (7) from the saturator (1).
EFFECT: high accuracy of calibration.
2 cl, 1 dwg
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