Portable gas chromatograph-mass spectrometer

Details Portable gas chromatograph-mass spectrometer Portable gas chromatograph-mass spectrometer

1994-04-08

1996-06-11

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

With sample supply means

250281, G01D 5944, H01J 4900

Patent

active

055257992

ABSTRACT:
A gas chromatograph-mass spectrometer (GC-MS) for use as a field portable organic chemical analysis instrument. The GC-MS is designed to be contained in a standard size suitcase, weighs less than 70 pounds, and requires less than 600 watts of electrical power at peak power (all systems on). The GC-MS includes: a conduction heated, forced air cooled small bore capillary gas chromatograph, a small injector assembly, a self-contained ion/sorption pump vacuum system, a hydrogen supply, a dual computer system used to control the hardware and acquire spectrum data, and operational software used to control the pumping system and the gas chromatograph. This instrument incorporates a modified commercial quadrupole mass spectrometer to achieve the instrument sensitivity and mass resolution characteristic of laboratory bench top units.

REFERENCES:
patent: 3641339 (1972-02-01), McCormick
patent: 4442353 (1984-04-01), Baubron
patent: 4888295 (1989-12-01), Zaromb et al.
patent: 5142144 (1992-08-01), Remo et al.
patent: 5153433 (1992-10-01), Andresen et al.
patent: 5313061 (1994-05-01), Drew et al.
patent: 5401963 (1995-03-01), Sittler

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