Apparatus for the detection of airborne low volatility vapors

Details Apparatus for the detection of airborne low volatility vapors Apparatus for the detection of airborne low volatility vapors

1986-03-27

1988-09-20

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250283, 250288, G01N 3070

Patent

active

047727942

ABSTRACT:
An apparatus for the detection of airborne, low volatility materials, comprising a mobile carrier, preferably made of silica, onto which material to be detected is caused to be deposited. The mobile carrier is arranged to carry the material to the first location where unwanted volatile materials are purged from the trap, then to a second location where the remaining material is caused to be ionized and then to a third location where the ionized material is caused to be lifted off the carrier into an ion collector.

REFERENCES:
patent: 4242107 (1980-12-01), Jenkins
patent: 4259572 (1981-03-01), Brunnee et al.
patent: 4468468 (1984-08-01), Benninghoven et al.

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