Atmospheric ozone concentration detector

Details Atmospheric ozone concentration detector Atmospheric ozone concentration detector

1996-03-29

1999-10-26

Ludlow, Jan

Chemistry: analytical and immunological testing

Oxygen containing

Ozone or peroxide

73 3102, 116202, 116212, 116278, 356433, 422 58, 422 61, 422 8209, 422 87, 436164, G01N 1700, G01N 2177

Patent

active

059727144

ABSTRACT:
An ozone detector in the form of two basic embodiments which can measure ozone concentration in ambient air at 0.001-1 ppm. The first embodiment includes a stretched elastic material and a standard which can give ozone concentration in response to degree of microcracking or frosting of the elastic material. The second embodiment includes a chamber containing a long strip of elastic material wound on a spool, a small amount of manganese dioxide in the chamber to neutralize any ozone therein so that the ozone does not attack and frost the elastic material, a take-up spool mounted away from the chamber and adapted to wind the material from the chamber, a component for stretching the material, a light source for generating a light beam and illuminating the film between the chamber and the take-up spool and a detector for the light beam after the light beam passes through the material.

REFERENCES:
Serrano et al., Atmos. Environ., Part A (1993), 27A(3), pp. 434-435.
Chemical Abstracts, CA 118:218596, Serrano et al., Atmos. Environ., Part A 1993), 27A(3), pp. 431-442.
Beatty et al., Rubber World, Nov. 1954, pp. 232-238.
Litman et al., Anal. Chem., vol. 28, No. 5., pp. 819-825, May 1956.
Veith, Rubber Chgemistry and Technology, vol. 45, No. 1, pp. 293-308, 1972.
Jellinek et al., Agnewandte Makrmolekulare Chemie, vol. 7, pp. 101-109, 1969.

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