Process for the analytical determination of hydrogen cyanide in

Details Process for the analytical determination of hydrogen cyanide in Process for the analytical determination of hydrogen cyanide in

1980-08-04

1982-03-23

Schor, Kenneth M.

Chemistry: physical processes

Physical processes

Crystallization

423236, 423352, 252466PT, G01N 3110, G01N 3100

Patent

active

043210597

ABSTRACT:
Hydrogen cyanide in hydrogen cyanide containing gas is transformed into ammonia by a special iridium catalyst in the presence of at least the equivalent amount of hydrogen for the change. The ammonia is analyzed to provide a measure of the hydrogen cyanide in the hydrogen cyanide containing gas.

REFERENCES:
patent: 2776264 (1957-01-01), Dinwiddie et al.
patent: 2802794 (1957-08-01), Sprauer
patent: 2817580 (1957-12-01), Marsh et al.
patent: 3312525 (1967-04-01), Schmidt et al.
patent: 3878289 (1975-04-01), Beavor
patent: 4148865 (1979-04-01), Gelbein et al.
Kirk-Othmer, Encyclopedia of Chem. Technology; vol. 4, First Edition, pp. 695-696.
Ullman; Enzyklopadie der technischen Chemie; vol. 9, 4th Ed., pp. 657, 658; vol. 5, 3rd Ed., p. 643; vol. 9 (1957) p. 273; vol. 14 (1963) p. 33.
Gmelin Nitrogen vol. 4, p. 365.

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