Method and apparatus for introducing liquid samples into a gas c

Details Method and apparatus for introducing liquid samples into a gas c Method and apparatus for introducing liquid samples into a gas c

1976-06-10

1977-07-26

Adee, John

Gas separation

Means within gas stream for conducting concentrate to collector

55 67, 55197, B01D 1508

Patent

active

040380530

ABSTRACT:
The invention is directed to method and apparatus for introducing liquid samples into a gas chromatographic column by supplying a liquid sample to a heated injector in a continuous, uniform and relatively slow-moving flow; vaporizing the sample in the heated injector; passing the vapor through a supply line in the injector to a restrictor, vented to the atmosphere, until stationary conditions have been established; and then passing the vapor to the gas chromatographic column for sampling by reversing the flow in the supply line for a relatively short time.

REFERENCES:
patent: 3364659 (1968-01-01), Pierrard et al.
patent: 3365951 (1968-01-01), Jentzsch et al.
patent: 3366149 (1968-01-01), Taft et al.
patent: 3668834 (1972-06-01), Deans
patent: 3920420 (1975-11-01), Valentin et al.

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