Preparation of rare earth borides

Details Preparation of rare earth borides Preparation of rare earth borides

1988-11-28

1993-01-05

Niebling, John

Chemistry of inorganic compounds

Rare earth compound

423289, C01F 1700

Patent

active

051768909

ABSTRACT:
The rare earth borides, e.g., the tetraborides and hexaborides of lanthanum, cerium and praseodymium, are directly prepared by heating/reacting a mixture of at least one rare earth chloride and elemental boron at an elevated temperature, e.g., a temperature ranging from 1,200.degree. to 1,500.degree. C.

REFERENCES:
patent: 3258316 (1988-06-01), Tepper et al.
patent: 3784677 (1974-01-01), Versteeg et al.
patent: 3902973 (1975-09-01), Gomes et al.
patent: 3979500 (1976-09-01), Sheppard et al.
patent: 4260525 (1981-04-01), Olsen et al.
patent: 4999176 (1991-03-01), Iltis et al.

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