Method for the chemical conversion in gas mixtures

Chemistry of inorganic compounds – Nitrogen or compound thereof – Oxygen containing

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23232E, 23254E, 23281, 252188, C01B 2124, C09K 300, G01N 3100

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active

039963390

ABSTRACT:
Method of reducing NO.sub.2 to NO with a granular mixture of ferrous sulfate and an alkaline hydrogen sulfate in a molar ratio of 3:1 to 1:1.

REFERENCES:
patent: 1356029 (1920-10-01), Wesson
patent: 3361661 (1968-01-01), Schulze
patent: 3382033 (1968-05-01), Kitagawa
patent: 3659100 (1972-04-01), Anderson et al.
"Quantitative Measurement of Nitrogen Dioxide in Gaseous Mixtures," Anal. Abst. No. 1070, vol. 27 (Aug. 1974).
"Quantitative Measurement of Ammonia in Gaseous Mixtures," Anal. Abst. No. 1071, vol. 27 (Aug. 1974).

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