Preparation of rare earth borides

Details Preparation of rare earth borides Preparation of rare earth borides

1989-04-24

1991-03-12

Straub, Gary P.

Chemistry of inorganic compounds

Boron or compound thereof

Binary compound

423263, C01B 3502, C01F 1700

Patent

active

049991760

ABSTRACT:
The rare earth borides are prepared at relatively low temperatures by reacting a rare earth halide with elemental boron in the presence of a reducing amount of aluminum metal.

REFERENCES:
patent: 3258316 (1966-06-01), Tepper et al.
patent: 3784677 (1974-01-01), Versteeg et al.
patent: 3979500 (1976-09-01), Sheppard et al.
patent: 4260525 (1981-04-01), Olsen et al.
Progress, Progress in Boron Chemistry, H. Steinberg et al, New York, 1970, VII, p. 299.
Chemical Abstracts, vol. 93, No. 22, Dec. 1980, p. 141, No. 206964w, Columbus, Ohio, US, "Study of Conditions for the Production of Technical-Grade Samarium, Europium and Gadolinium Hexaborides under Pilot Plant Conditions".
"Production of Chromium Borides", Kartvelishvili et al, Chemical Abstracts, vol. 91, No. 18, Oct. 29, 1979, p. 255, No. 144907c, Columbus, Ohio.

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