Process of preparing nitrogen trifluoride by gas-solid reaction

Details Process of preparing nitrogen trifluoride by gas-solid reaction Process of preparing nitrogen trifluoride by gas-solid reaction

1984-09-19

1985-09-24

Doll, John

Chemistry of inorganic compounds

Nitrogen or compound thereof

Binary compound

C01B 2152

Patent

active

045432422

ABSTRACT:
NF.sub.3 is prepared with good yields by reaction between fluorine gas and an ammonium complex of a metal fluoride, such as (NH.sub.4).sub.3 AlF.sub.6, in solid phase. The metal flouride ammonium complex may be one additionally containing an alkali metal, such as (NH.sub.4).sub.2 NaAlF.sub.6. The gas-solid reaction is carried out preferably at temperatures above 80.degree. C. and at relatively low partial pressures of fluorine in the gas phase of the reaction system, so that the reaction is easy to control.

REFERENCES:
patent: 3304248 (1967-02-01), Fullam et al.
patent: 4091081 (1978-05-01), Woytek et al.
patent: 4284617 (1981-08-01), Bowen et al.
Chemical Abstracts Citation, 93(24) 222648b.
Chemical Abstracts Citation, 89(12) 91827b.
Chemical Abstracts Citation, 88(12) 76000n.
Chemical Abstracts Citation, 84(26) 182176b.
Chemical Abstracts Citation, 70(10) 43589m.
Chemical Abstracts Citation, 70(8) 33923b.

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