Method and apparatus for gas chromatographic analysis

Measuring and testing – Gas analysis – Gas chromatography

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G01N 3108

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active

041517415

ABSTRACT:
An improvement in the resolution, sensitivity of measurement and sensitivity of detection in gas chromatographic analysis using a capillary column or micropacked column as a separating column and a thermal conductivity cell as a detector wherein the pressure in the gas chamber at the beginning of the separating column is higher than in the detector by a factor of at least 5.

REFERENCES:
patent: 2920478 (1960-01-01), Golay
patent: 3240052 (1966-03-01), Reinecke et al.
patent: 3483731 (1969-12-01), Sanford et al.
patent: 3905222 (1975-09-01), Boillot
Ettre et al., "Investigation of Linearity of Stream Splitter for Capillary Gas Chrom.", Analytical Chemistry, vol. 33, No. 6, pp. 680-684, May 1961.
Wilhite, "Developments in Micro Gas Chrom.", Journal of Gas Chrom,, pp.47-50, Feb. 1966.

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