Mass spectrometer vacuum housing and pumping system

Details Mass spectrometer vacuum housing and pumping system Mass spectrometer vacuum housing and pumping system

1995-02-10

1996-07-23

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

With evacuation or sealing means

250288, B01D 5944, H01J 4900

Patent

active

055392040

ABSTRACT:
A vacuum housing and pumping system for a portable gas chromatograph/mass spectrometer (GC/MS). The vacuum housing section of the system has minimum weight for portability while designed and constructed to utilize metal gasket sealed stainless steel to be compatible with high vacuum operation. The vacuum pumping section of the system consists of a sorption (getter) pump to remove atmospheric leakage and outgassing contaminants as well as the gas chromatograph carrier gas (hydrogen) and an ion pump to remove the argon from atmospheric leaks. The overall GC/MS system has broad application to contaminants, hazardous materials, illegal drugs, pollution monitoring, etc., as well as for use by chemical weapon treaty verification teams, due to the light weight and portability thereof.

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patent: 5313061 (1994-05-01), Drew et al.
patent: 5360976 (1994-11-01), Young et al.

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