Apparatus for introducing samples into high pressure gas chromat

Details Apparatus for introducing samples into high pressure gas chromat Apparatus for introducing samples into high pressure gas chromat

1978-03-27

1979-08-28

Swisher, S. Clement

Measuring and testing

Measuring vessel

G01N 110

Patent

active

041656440

ABSTRACT:
The combination of valves consists of a double passage cross-over spherical valve with which at least one other single passage spherical valve is connected in series. The passage of the cross-over spherical valve under high pressure is connected to the partition column of a gas chromatograph or liquid chromatograph while the other passage is intended for introducing the sample and is under atmospheric pressure when the sample is injected.

REFERENCES:
patent: 3253455 (1966-05-01), Ferrin
patent: 3915013 (1975-10-01), Gaeke

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