Apparatus for feeding carrier gas to on-column injectors

Details Apparatus for feeding carrier gas to on-column injectors Apparatus for feeding carrier gas to on-column injectors

1979-10-05

1981-06-09

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Gas chromatography

G01N 3108

Patent

active

042716950

ABSTRACT:
An apparatus for feeding carrier gas at a constant rate to on-column injectors for capillary and micropacked gas-chromatographic columns. The apparatus includes a constant pressure gas delivering device in operation during the sample injection, and a constant rate gas delivering device in operation during the sample processing stage inside the column. The two devices are connected in parallel and a switch controls the alternative operation of the same.

REFERENCES:
patent: 3240052 (1966-03-01), Reinecke et al.
patent: 4196612 (1980-04-01), Clardy et al.

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