METHOD OF PRODUCING HIGH-PURITY ANHYDROUS POLYCRYSTALLINE CERIUM FLUORIDE Russian patent published in 1998 - IPC

Abstract RU 2107029 C1

FIELD: industrial inorganic syntheses. SUBSTANCE: oxygen- containing cerium compounds are subjected to heat treatment at 400-550 C for 2 h. Active oxides obtained are continuously fluoridated by hydrogen fluoride at 200-380 C, hydrogen fluoride intake being 105- 115% based on its stoichiometric quantity. EFFECT: enhanced process efficiency. 2 cl, 2 tbl

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RU 2 107 029 C1

Authors

Shatalov V.V.

Mashirev V.P.

Zvonarev E.N.

Kolegov D.F.

Kolegov S.F.

Dates

1998-03-20—Published

1996-12-03—Filed