Process for the preparation of a hydroxylamine salt

Details Process for the preparation of a hydroxylamine salt Process for the preparation of a hydroxylamine salt

1976-06-14

1977-12-13

Thomas, Earl C.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

423 56, 423 58, 423306, C01B 2114

Patent

active

040629279

ABSTRACT:
An improved process for preparing a hydroxyl-amine salt by reduction of a solution of nitrate ions or nitrogen monoxide. Dissolved molybdenum in amounts as low as about two milligrams per liter of nitrate
itrogen monoxide solution are known to interfere with the reduction reaction. The present invention provides a simple method of reducing molybdenum contamination, and hence enhancing the efficiency of the reduction reaction. Dissolved molybdenum is removed from the nitrate
itrogen monoxide solution by coprecipitation with a complex iron-ammonium phosphate. If chromium is present, it will also be removed by this coprecipitation.

REFERENCES:
patent: 3758665 (1973-09-01), Vojkovic
patent: 3767758 (1973-10-01), Mars et al.

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