Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1991-02-28
1993-02-09
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422 83, 422 90, 436902, G01N 3122
Patent
active
051851296
ABSTRACT:
An ozone monitor including an ozone reactive surface, held within a container, which is adapted to specifically react with ozone. The surface is also adapted to fail to react with nitrogen dioxide in an amount which affects ozone quantitation by more than 20% when the nitrogen dioxide is provided at a concentration of 76 ppb and ozone is provided at a concentration of 30 ppb within a test gas.
REFERENCES:
patent: 3528779 (1970-09-01), Fontijn
patent: 3888754 (1975-06-01), Tiefensu
patent: 3985017 (1976-10-01), Goldsmith
patent: 3996005 (1976-12-01), Topol
patent: 4122032 (1978-10-01), Hollerich
patent: 4183728 (1980-01-01), Leitzke et al.
patent: 4240799 (1980-12-01), Ryerson
patent: 4849178 (1989-07-01), Azuma
"The Merck Index" Tenth Edition, Merck & Co., Inc. (1983), p. 1238, No. 8486.
Koutrakis Petros
Wolfson Jack M.
Housel James C.
President and Fellows of Harvard College
Snay Jeffrey R.
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