Process for purifying hydrogen fluoride

Details Process for purifying hydrogen fluoride Process for purifying hydrogen fluoride

1985-12-24

1987-05-26

Doll, John

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

203 29, 210753, 423488, C01B 719

Patent

active

046684972

ABSTRACT:
A process for purifying hydrogen fluroide characterized by adding fluorine to hydrogen fluoride containing at least one element selected from the group consisting of boron, silicon, phosphorus, sulfur, chlorine and arsenic, and/or at least one compound of these elements, reacting the fluorine with said element and/or said compound and distilling the resulting mixture.

REFERENCES:
patent: 3166379 (1965-01-01), Bradley et al.
patent: 4083941 (1978-04-01), Jayawant et al.
patent: 4491570 (1985-01-01), Wheaton et al.

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