Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Plasma generating
Patent
1987-03-17
1992-02-04
Razavi, Michael
Electric lamp and discharge devices: systems
Discharge device load with fluent material supply to the...
Plasma generating
315 39, 31511171, H01J 724
Patent
active
050862545
ABSTRACT:
A photoionization detector for detecting effluents from a gas chromatographic column has a microwave induced helium plasma as the photon source. Since the source plasma may be at atmospheric pressure and need not be sealed, energy loss due to transmission of photons through a window can be eliminated. Use of alternating electromagnetic fields instead of a direct current discharge obviates the problems of anode sputtering.
REFERENCES:
patent: 2975330 (1961-03-01), Bloom
patent: 3336493 (1967-08-01), Lambert
patent: 3418514 (1968-12-01), Sternberg
patent: 3610759 (1971-10-01), Wood
patent: 3933432 (1976-01-01), Driscoll
patent: 3973186 (1976-08-01), Vehara et al.
patent: 4251726 (1981-02-01), Alvarez
patent: 4266196 (1981-05-01), Kawazoe et al.
patent: 4309187 (1982-01-01), Dodge et al.
patent: 4393333 (1983-07-01), Sakudo et al.
patent: 4398152 (1983-08-01), Leveson
patent: 4409520 (1983-10-01), Koike et al.
patent: 4529911 (1985-07-01), Hutter
patent: 4532219 (1985-07-01), Hagen et al.
Anal. Chem, 1981, 1336-1340, "High Resolution Gas Chromatography of Trialkyllead Chlorides with an Inert Solvent Venting" Estes et al.
Razavi Michael
Sgarbossa Peter J.
Varian Associates Inc.
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