Gas analysis of sealed ampules

Details Gas analysis of sealed ampules Gas analysis of sealed ampules

1997-06-30

1999-05-04

McKane, Elizabeth

Chemistry: analytical and immunological testing

Including sample preparation

Gaseous sample or with change of physical state

436180, 422 681, 422 83, 73 191, 73 1912, G01N 124, G01N 110

Patent

active

059003782

ABSTRACT:
A method for obtaining a gas sample from a sealed glass ampule containing a liquid and a gas, wherein the steps are immersing the sealed glass ampule in water beneath a collection chamber which is also immersed in water, breaking the glass ampule to permit the gas in the ampule to bubble upwardly into the collection chamber, inserting a hollow needle connected to a syringe into the collection chamber to obtain a sample of the bubbled gas, and injecting the obtained sample into a gas analyzer machine.

REFERENCES:
patent: 2987912 (1961-06-01), Jacobson
patent: 3942792 (1976-03-01), Topol
patent: 4351802 (1982-09-01), Baylis et al.
patent: 5604297 (1997-02-01), Seiden et al.

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