Resistively heated gas chromatograph system

Details Resistively heated gas chromatograph system Resistively heated gas chromatograph system

1989-08-16

1991-04-09

Myracle, Jerry W.

Measuring and testing

Gas analysis

Gas chromatography

G01N 3002

Patent

active

050053990

ABSTRACT:
A portable gas chromatograph assembly for detecting chemical species comprises a sample collector/injector for introducing a sample into the system, a cryogenically enhanced stationary phase focusing zone for reducing the band width of the introduced sample, one or more resistively heated conductive film clad, fused silica capillary gas chromatograph columns and associated support structure for separating the sample mixture into its individual components, column temperature control electronics, and a detector for registering the sample components.

REFERENCES:
patent: 3169389 (1965-02-01), Green, Jr. et al.
patent: 4726822 (1988-02-01), Cates et al.
Open Tubular Column Gas Chromatography, by Milton L. Lee (1984).
"Compact Gas Chromatograph Probe for Gas Chromatography/Mass Spectrometry Utilizing Resistively Heated Aluminum-Clad Capillary Columns", Analytical Chemistry, vol. 61, No. 21, Nov. 1, 1989 (pp. 2410-2416).

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