Photo-ionization detector for detecting volatile organic gases

Details Photo-ionization detector for detecting volatile organic gases Photo-ionization detector for detecting volatile organic gases

1995-03-07

1996-10-01

O'Shea, Sandra L.

Electric lamp and discharge devices

With luminescent solid or liquid material

Coplanar electrodes

313234, 313607, 250382, 250379, 250423P, 324464, G01N 2766

Patent

active

055613446

ABSTRACT:
A photo-ionization detector utilizes an ultraviolet (UV) lamp and is designed for detecting and measuring the concentration of volatile gases flowing between closely spaced parallel electrodes. One of the electrodes is formed to allow photons to pass into the space between the electrodes to ionize the volatile gases between the electrodes. The detector also incorporates an improved ionization chamber.

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