Device for automatically injecting solubilized or diluted substa

Details Device for automatically injecting solubilized or diluted substa Device for automatically injecting solubilized or diluted substa

1996-07-15

1998-02-03

Brock, Michael

Measuring and testing

Gas analysis

Gas chromatography

7386311, 95 89, 96105, 422 78, G01N 3024

Patent

active

057146772

ABSTRACT:
The invention concerns a device for automatically injecting substances solubilised or diluted in a solvent for a gaseous phase chromatographic analysis column (14), wherein it includes a concentration/calcination chamber (10), a vaporization chamber (12) in contact with the chromatographic column (14), a sample support (16) moving in the concentration/calcination chamber between a first position in which the sample is in the concentration/calcination chamber and a second position in which the sample is in the vaporization chamber, as well as a system (18) for scavenging the two chambers with a vector gas.

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patent: 3173762 (1965-03-01), Varadi et al.
patent: 3498107 (1970-03-01), Kim et al.
patent: 3759107 (1973-09-01), Fox et al.
patent: 4824790 (1989-04-01), Carangelo et al.
patent: 4849179 (1989-07-01), Reinhardt et al.
patent: 5009591 (1991-04-01), Watanabe
patent: 5065614 (1991-11-01), Hartman et al.
"An Autosampler with a Short Transfer Line for Curie Point Pyrolysis Capillary Gas Chromatography", Journal of High Resolution Chromatography, vol. 16, No. 6, 1993, pp. 353-357.
"Temperature Rise Time and True Pyrolysis Temperature in Pulse Mode Pyrolysis Gas Chromatography", Analytical Chemistry, vol. 44, No. 1, Jan. 1972, pp. 38-42.

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