Method of producing metal nitrides

Details Method of producing metal nitrides Method of producing metal nitrides

1975-11-24

1977-06-14

Schafer, Richard E.

Chemistry of inorganic compounds

Radioactive

Transuranium compound

423252, 423254, 423404, 423411, C01F 1500, C01G 4300, C01G 5600

Patent

active

040297403

ABSTRACT:
A method is provided for producing a selected metal nitride utilizing a salt bath. The selected metal is introduced into the salt bath in the presence of gaseous nitrogen and at least a certain amount of a halide of the selected metal. The salt bath is maintained at a temperature above its melting point for time sufficient to form a precipitate of the desired amount of a nitride of the selected metal. In accordance with a preferred embodment, the pressure is thereafter reduced to less than atmospheric and the temperature increased above the boiling point of the salt for a time sufficient to volatilize the molten salt which is removed to leave a precipitate of the selected metal nitride. The method is particularly applicable to the production of the mononitrides of uranium, plutonium, thorium, and mixtures thereof.

REFERENCES:
patent: 3180702 (1965-04-01), Lapat
patent: 3322510 (1967-05-01), Anselin et al.
patent: 3345436 (1967-10-01), Craig
patent: 3758669 (1973-09-01), Potter et al.
patent: 3923959 (1975-12-01), Bryan et al.

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