Sample introduction system

Details Sample introduction system Sample introduction system

1978-11-06

1980-01-29

Swisher, S. Clement

Measuring and testing

Measuring vessel

G01N 110, G01N 122

Patent

active

041855000

ABSTRACT:
A sample introduction system for a gas chromatograph having a chamber, a lock and a sample holder for introducing a sample via the lock into the chamber which has a needle for piercing the sample to allow a carrier gas introduced into the chamber access to the sample. The sample holder is hollow and has at that end remote from the end which holds the sample and communicating therewith, a pressure control valve so that a rise in pressure can be avoided as the sample is introduced into the lock and then the chamber.

REFERENCES:
patent: 3205711 (1965-09-01), Harris
patent: 3421857 (1969-01-01), Reichle
patent: 3981200 (1976-09-01), George
Chromatography Newsletter, Article on pp. 21-24, vol. 5, No. 2, by Johansen et al.

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