VERFAHREN ZUR HERSTELLUNG VON STICKSTOFFTRIFLUORID

VERFAHREN ZUR HERSTELLUNG VON STICKSTOFFTRIFLUORID

Nitrogen trifluoride is prepared by passing elemental fluorine in intimate contact with liquid phase ammonium acid fluoride maintained at a temperature above its melting point but below about 400 DEG F for a time sufficient to effect reaction. Generally, ammonia is injected into the ammonium acid fl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JOSEPH WOYTEK,ANDREW, THEODORE LILECK,JOHN
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:Nitrogen trifluoride is prepared by passing elemental fluorine in intimate contact with liquid phase ammonium acid fluoride maintained at a temperature above its melting point but below about 400 DEG F for a time sufficient to effect reaction. Generally, ammonia is injected into the ammonium acid fluoride along with the fluorine to maintain a molar ratio of by-product hydrogen fluoride to ammonia of approximately 2.0 to 2.5.