Predetector reservoir for chromatographic analysis instrument

Details Predetector reservoir for chromatographic analysis instrument Predetector reservoir for chromatographic analysis instrument

1981-11-30

1984-08-21

Turk, Arnold

Chemistry: analytical and immunological testing

Nitrogen containing

Total nitrogen determined

73 231, 422 80, 422 89, 436123, 436158, 436161, G01N 3108

Patent

active

044670389

ABSTRACT:
A gas chromatographic apparatus is provided which comprises a gas chromatography column, a detector and an extended conduit between the column and the detector, the conduit providing means for flow of a gas so as to enable essentially complete elution of the gas from the column before the gas is detected by the detector. The apparatus can be adapted for use in an instrument for the elemental analysis of a sample for carbon, hydrogen, nitrogen and sulfur. The invention method includes the steps of introducing a sample in vapor form into a gas chromatography column, passing the sample through the column so as to separate at least one component of interest, passing the component of interest through a conduit to the detector so as to reach the detector after the essentially complete elution of the component of interest from the column.

REFERENCES:
patent: 3304159 (1967-02-01), Hinsrark
patent: 3518059 (1970-06-01), Levy
patent: 3524305 (1970-08-01), Ives
patent: 4170893 (1979-10-01), Kleiss
patent: 4173145 (1979-11-01), Durbin
patent: 4234315 (1980-11-01), Scott
patent: 4325907 (1982-04-01), Dembicki, Jr. et al.
Schematic Diagrams (3 Pages) from User's Manual Provided by Designer of Chromatography Equipment Showing Typical Arrangements of Columns, Detectors and Valves.

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