Detection of volatile substances

Details Detection of volatile substances Detection of volatile substances

1997-07-28

2000-01-11

Larkin, Daniel S.

Measuring and testing

Gas analysis

Ambient air

73 3103, 42218621, 42218622, 422906, H05H 130, H05H 134

Patent

active

060123265

ABSTRACT:
An apparatus for detecting the presence of volatile substances in a gaseous medium, including apparatus for producing within a sensor chamber a localised electric field the energy density of which is sufficient to excite the gaseous medium to a plasma condition, and apparatus for detecting changes in a parameter of the plasma due to the presence of the volatile substances in the gaseous medium.

REFERENCES:
patent: 3843257 (1974-10-01), Wooten
patent: 4532219 (1985-07-01), Hagen et al.
patent: 4615225 (1986-10-01), Sainz
patent: 5340450 (1994-08-01), Griffiths et al.
patent: 5503807 (1996-04-01), Griffiths et al.
patent: 5596405 (1997-01-01), Seltzer

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