Direct production of coarse particle inorganic fluorides

Chemistry of inorganic compounds – Halogen or compound thereof – Binary fluorine containing compound

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C01F 528, C01F 1122

Patent

active

041209400

ABSTRACT:
Relatively large particles of calcium carbonate or magnesium oxide are reacted with a solution of ammonium fluoride or with aqueous hydrofluoric acid to form particles of calcium or magnesium fluoride, similar in size to the starting material by pseudomorphic alteration.

REFERENCES:
patent: 1747133 (1930-02-01), Pirani
patent: 2914474 (1959-11-01), Hillyer et al.
patent: 3132922 (1964-05-01), Goodenough et al.
patent: 3357788 (1967-12-01), Ross

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