Chemistry of inorganic compounds – Halogen or compound thereof – Hydrogen halide
Patent
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.
Doll John
Hashimoto Chemical Industries Co., Ltd.
Russel Jeffrey Edwin
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