Preparation of nitrogen trifluoride

Details Preparation of nitrogen trifluoride Preparation of nitrogen trifluoride

C - Chemistry, Metallurgy

01

B

23/177

C01B 21/083 (2006.01)

Patent

CA 1090535

PREPARATION OF NITROGEN TRIFLUORIDE ABSTRACT OF THE DISCLOSURE Nitrogen triflouride 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°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.

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