Portable gas chromatograph-mass spectrometer

Patent · Mon Jan 01 00:00:00 EST 1996

OSTI ID:870459

Andresen, Brian D ^[1]; Eckels, Joel D ^[1]; Kimmons, James F ^[2]; Myers, David W ^[1]

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1. Livermore, CA
2. Manteca, CA

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.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 5525799
• OSTI ID: 870459
• Country of Publication: United States
• Language: English

Related Subjects

portable
gas
chromatograph-mass
spectrometer
gc-ms
field
organic
chemical
analysis
instrument
designed
contained
standard
size
suitcase
weighs
70
pounds
requires
600
watts
electrical
power
peak
systems
conduction
heated
forced
air
cooled
bore
capillary
chromatograph
injector
assembly
self-contained
sorption
pump
vacuum
hydrogen
supply
dual
computer
control
hardware
acquire
spectrum
data
operational
software
pumping
incorporates
modified
commercial
quadrupole
mass
achieve
sensitivity
resolution
characteristic
laboratory
bench
top
units
quadrupole mass
chromatograph-mass spectrometer
forced air
chemical analysis
mass spectrometer
electrical power
gas chromatograph
peak power
spectrum data
air cooled
gas chromatograph-mass
capillary gas
bore capillary
mass resolution
organic chemical
top unit
injector assembly
sorption pump
portable gas
analysis instrument
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