Knudsen cell


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Knudsen cell

[kə′nüd·sən ‚cel]
(physical chemistry)
A vessel used to measure very low vapor pressures by measuring the mass of vapor which escapes when the vessel contains a liquid in equilibrium with its vapor.
References in periodicals archive ?
This adaptation enables application of holder with Knudsen cell.
The device enables to apply following instrumental methods: heat flow differential scanning calorimetry (DSC), differential thermal analysis (DTA) and Knudsen cell combined with mass spectrometry (KC/MS).
3]) and diameter of Knudsen cell can be varied according to sample character.
The equilibrate sample gas phase is jetted from Knudsen cell into ionisation chamber of mass spectrometer.