Apparatus for the determination of nitrogen oxides in air

Details Apparatus for the determination of nitrogen oxides in air Apparatus for the determination of nitrogen oxides in air

1974-12-03

1976-08-10

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

252188, 423405, G01N 3100, C01B 2124, C09K 300

Patent

active

039739147

ABSTRACT:
A mixture of ferrous sulphate and alkali metal acid sulphate used in a reducer employed for converting NO.sub.2 to NO in an apparatus for determining the nitrogen oxide content of air by means of the measurement of the reaction of ozone and NO.

REFERENCES:
patent: 3659100 (1972-04-01), Anderson et al.
patent: 3870468 (1975-03-01), Neti
Paterson et al., "A Prototype Chemiluminescent NO Analyzer", Univ. of Cal., Dept. Mech. Eng., Thermal Systems Div. Report, Sept. 1970, pp. 7-12.
Stuhl et al., "An Optical Detection Method for NO . . . by the Chemiluminescent Reaction of NO With O.sub.3 ", Scientific Research Staff, Ford Motor Co. Tech. Report SR70-42, Mar. 1970, Fig. 1.
"Quantitative Measurement of Nitrogen Dioxide in Gaseous Mixtures", Anal. Abst., vol. 27, Abst. 1070, Aug. 1974.
"Quantitative Measurement of Ammonia in Gaseous Mixtures", Anal. Abst., vol. 27, Abst. 1071, Aug. 1974.

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