Measuring and testing – Measuring vessel
Patent
1976-10-04
1978-04-18
Swisher, S. Clement
Measuring and testing
Measuring vessel
G01N 122
Patent
active
040844404
ABSTRACT:
A method and apparatus for the rapid transfer of substantially all of a sample adsorbed in a gas sampler tube into a gas or other chromatograph analysis system, in which the chromatograph carrier gas or other fluid is circulated through the chromatograph and a bypass valve in an injection device mounted externally thereof so as to establish equilibrium conditions therein and simultaneously permitting loading of the sampler tube into the injection device without disturbing the fluid flow. The sample is heated and then the fluid flow is diverted through the sampler tube to desorb the sample and carry it directly to the chromatograph column.
REFERENCES:
patent: 3000218 (1961-09-01), Marks et al.
patent: 3253455 (1966-05-01), Ferrin
patent: 3585863 (1971-06-01), Hrdina
patent: 3668935 (1972-06-01), Coelho
patent: 3730082 (1963-05-01), Penton
patent: 3779066 (1973-12-01), Fore et al.
Carpenter Wilfred C.
Fenrick Walter J.
Schmitz Gary N.
Her Majesty in right of Canada as represented by the Minister of
Hicks Richard J.
Johnson Stanley E.
Swisher S. Clement
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