Process for the preparation of nitrous oxide

Details Process for the preparation of nitrous oxide Process for the preparation of nitrous oxide

1979-03-13

1980-05-20

Peters, G. O.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C01B 2122

Patent

active

042039592

ABSTRACT:
When adding simultaneously nitrite and sulfite in a molar ratio of from 1:1 to 1:1.5 to an acid aqueous solution having a pH value of from 0 to 3, nitrous oxide is formed. The process is carried out at a temperature in the range of from 0.degree. to 100.degree. C. Instead of sulfite there may also be used SO.sub.2. The gaseous nitrous oxide formed can be freed from impurities (SO.sub.2, NO) by washing with aqueous alkali metal hydroxide solution and alkaline permanganate solution.

REFERENCES:
patent: 1010177 (1911-11-01), Raschig
Johnston et al., "J.A.C.S.," vol. 56; Mar. 1934; p. 625.
Nyholm et al., Inorg. Synthesis, vol. V, McGraw Hill Book Co., N.Y., 1957, pp. 117-122.
Partington; A Textbook of Inorg. Chem., 6 ed., McMillan & Co., London, 1950, p. 547.
Brauer, Handbook of Prep. Inorg. Chem., vol. 1, 2nd ed., Academic Press, N. Y., 1963, pp. 484-485.

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