FIELD: measuring.
SUBSTANCE: invention can be used to determine molar mass of volatile substances. Pressure of saturated vapour of one or a mixture of several volatile substances in liquid and/or solid states and changes in their weight in a sealed volume at given temperature and pressure are determined, after which molar mass is calculated based on the obtained data.
EFFECT: enabling determination of molar mass of one or more known and/or unknown volatile substances in liquid and/or solid aggregate states.
1 cl, 1 dwg
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