Preparation of hydroxylammonium salts

Details Preparation of hydroxylammonium salts Preparation of hydroxylammonium salts

1989-03-22

1990-01-23

Stoll, Robert L.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

423388, 502185, 502339, C01B 2120

Patent

active

048957119

ABSTRACT:
Hydroxylammonium salts are prepared by catalytic reduction of nitrogen monoxide with hydrogen in dilute aqueous mineral acids at elevated temperature in the presence of suspended supported platinum catalysts obtainable by precipitating metallic platinum from aqueous solutions of platinum salts onto carriers suspended therein by means of reducing agents in the presence of one or more water-soluble substituted or unsubstituted thioureas.

REFERENCES:
patent: 3060133 (1962-10-01), Jockers
patent: 3133790 (1964-05-01), Jockers
patent: 3406011 (1968-10-01), Zirngibl et al.
patent: 3767758 (1973-10-01), Mars et al.
patent: 3956469 (1976-05-01), El-Ghatta et al.

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