Gas introduction apparatus and gas analyzer

Details Gas introduction apparatus and gas analyzer Gas introduction apparatus and gas analyzer

G - Physics

01

N

G01N 1/22 (2006.01) G01N 1/00 (2006.01) G01N 1/24 (2006.01) G01N 1/02 (2006.01) G01N 33/00 (2006.01)

Patent

CA 2429281

Prior to initiation of gas analysis, a first vacuum valve and a second vacuum valve are closed while a third vacuum valve is opened, then an introduction pipe and a branch pipe are evacuated by a vacuum pump, the third vacuum valve is closed while the first vacuum valve 22 is opened so as to introduce and reserve gas to be analyzed into and in the gas introduction pipe when luggage 16 is set in a luggage receiver, and the second vacuum valve is opened so as to feed the gas to be analyzed from the introduction pipe into a mass spectrometer for gas analysis.

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