Gas inlet for a process mass spectrometer
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United States of America Patent
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Sep 30, 2014
Grant Date -
Nov 3, 2011
app pub date -
Apr 28, 2010
filing date -
Apr 28, 2010
priority date (Note) -
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Abstract
An inlet for a process mass spectrometer, the inlet comprising, a capillary in fluid communication with a sample gas feed; a transfer line in fluid communication to the capillary; a first orifice configured to generate a change in pressure, the orifice comprising at least two measuring ports; a pressure sensor operatively connected to at least one of the two measuring ports; and a second transfer line in fluid communication with the first orifice, the second transfer line also in fluid communication with an external disposal point.
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