Atmospheric pressure helium afterglow discharge detector for gas

Measuring and testing – Gas analysis – Gas chromatography

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356311, G01N 3074

Patent

active

045863687

ABSTRACT:
An apparatus for providing a simple, low-frequency electrodeless discharge system for atmospheric pressure afterglow generation. A single quartz tube through which a gas mixture is passed is extended beyond a concentric electrode positioned thereabout. A grounding rod is placed directly above the tube outlet to permit optical viewing of the discharge between the electrodes.

REFERENCES:
patent: 4309187 (1982-01-01), Dodge et al.
patent: 4509855 (1985-04-01), Gay
patent: 4532219 (1985-07-01), Hagen et al.
A. Karmen et al., "A Radio Frequency Glow Detector for Gas Chromatography," Annals of New York Acad. of Sciences, vol. 72, Art No. 13, pp. 714-719, Mar. 1959.

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