Preparation of ultrapure hydrogen fluoride

Details Preparation of ultrapure hydrogen fluoride Preparation of ultrapure hydrogen fluoride

1992-10-28

1994-11-08

Fuller, Benjamin R.

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423488, C01B 719

Patent

active

053624696

ABSTRACT:
A process for preparing ultrapure hydrogen fluoride by contacting impure hydrogen fluoride with elemental fluorine in the presence of metal fluorides. The ultrapure hydrogen fluoride which can be obtained can be used in electronics or optics or for preparing fluorine-containing organic or inorganic compounds or ultrapure hydrofluoric acid.

REFERENCES:
patent: 3166379 (1965-01-01), Bradely et al.
patent: 4491570 (1985-01-01), Wheaton et al.
patent: 4668497 (1987-05-01), Miki

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