VERFAHREN ZUR HERSTELLUNG VON WAESSRIGEN LOESUNGEN VON FREIEM HYDROXYLAMIN

VERFAHREN ZUR HERSTELLUNG VON WAESSRIGEN LOESUNGEN VON FREIEM HYDROXYLAMIN

Aqueous solutions of free hydroxylamine are prepared by a process in which (a) hydroxylammonium sulfate is reacted with ammonia in a lower alkanol as solvent, and a solution of free hydroxylamine and solid ammonium sulfate with residues of hydroxylammonium sulfate is obtained, (b) solid ammonium sul...

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Bibliographische Detailangaben
Hauptverfasser: THOMAS,ERWIN, WEISS,FRANZ-JOSEF,DR, FUCHS,HUGO,DR, RITZ,JOSEF,DR
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Zusammenfassung:Aqueous solutions of free hydroxylamine are prepared by a process in which (a) hydroxylammonium sulfate is reacted with ammonia in a lower alkanol as solvent, and a solution of free hydroxylamine and solid ammonium sulfate with residues of hydroxylammonium sulfate is obtained, (b) solid ammonium sulfate and hydroxylammonium sulfate are separated off from the resulting reaction mixture, and an alcoholic solution of free hydroxylamine is obtained as the filtrate, (c) a stabilizer and water are added to the resulting alcoholic solution of free hydroxylamine, and (d) the alkanol is distilled off from the alcoholic solution containing free hydroxylamine, the stabilizer and water.