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Title: Mass spectrometer vacuum housing and pumping system

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.

Inventors:
 [1];  [2];  [3]
  1. (Livermore, CA)
  2. (Oakley, CA)
  3. (Tracy, CA)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
OSTI Identifier:
870529
Patent Number(s):
US 5539204
Assignee:
Regents of University of California (Oakland, CA) LLNL
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
mass; spectrometer; vacuum; housing; pumping; portable; gas; chromatograph; gc; section; minimum; weight; portability; designed; constructed; utilize; metal; gasket; sealed; stainless; steel; compatible; operation; consists; sorption; getter; pump; remove; atmospheric; leakage; outgassing; contaminants; carrier; hydrogen; argon; leaks; overall; broad; application; hazardous; materials; illegal; drugs; pollution; monitoring; etc; chemical; weapon; treaty; verification; teams; due; light; vacuum pumping; broad application; hazardous material; light weight; mass spectrometer; carrier gas; stainless steel; hazardous materials; gas chromatograph; vacuum pump; pumping section; metal gasket; vacuum housing; metal gas; portable gas; /250/

Citation Formats

Coutts, Gerald W., Bushman, John F., and Alger, Terry W. Mass spectrometer vacuum housing and pumping system. United States: N. p., 1996. Web.
Coutts, Gerald W., Bushman, John F., & Alger, Terry W. Mass spectrometer vacuum housing and pumping system. United States.
Coutts, Gerald W., Bushman, John F., and Alger, Terry W. Mon . "Mass spectrometer vacuum housing and pumping system". United States. https://www.osti.gov/servlets/purl/870529.
@article{osti_870529,
title = {Mass spectrometer vacuum housing and pumping system},
author = {Coutts, Gerald W. and Bushman, John F. and Alger, Terry W.},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 1996},
month = {Mon Jan 01 00:00:00 EST 1996}
}

Patent:

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