Sensing the presence of ozone

Details Sensing the presence of ozone Sensing the presence of ozone

1979-08-03

1980-12-23

Serwin, R. E.

Chemistry: physical processes

Physical processes

Crystallization

73 27R, 324 71SN, 338 34, 422 90, 422 98, G01N 2704, H01C 700

Patent

active

042407990

ABSTRACT:
A means for detecting and/or measuring the presence of ozone in an atmosphere such as air. A solid state sensor that is capable of changing its conductivity in the presence of ozone is located within a housing along with an ultraviolet lamp and a stream of the sampled atmosphere caused to pass over the sensor. After exposure to ozone in the atmosphere, the sensor is restored to its initial or start of sensing state by flooding it with ultraviolet radiation produced by the lamp.

REFERENCES:
patent: 3611243 (1971-10-01), Hardtl
patent: 3625756 (1971-12-01), Taguchi
patent: 3695848 (1972-10-01), Taguchi
patent: 3699803 (1972-10-01), Sumi et al.
patent: 3778229 (1973-12-01), Webster et al.
patent: 4001756 (1977-01-01), Heijne
patent: 4039941 (1977-08-01), Morrison
patent: 4045178 (1977-08-01), Okiraka

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