Alkali metal dithionite manufacture

Details Alkali metal dithionite manufacture Alkali metal dithionite manufacture

1974-03-29

1976-03-30

Rutledge, L. Dewayne

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

C01B 1766

Patent

active

039475590

ABSTRACT:
A process for making an alkali metal dithionite by reacting sulphur dioxide with a basic alkali metal compound and one or both of formic acid and an alkali metal formate. The process is conducted in the presence of aqueous 2-methoxyethanol.

REFERENCES:
patent: 2010615 (1935-08-01), Vanderbilt
patent: 3576598 (1971-04-01), Plentovich
patent: 3826818 (1974-07-01), Heitman
patent: 3839218 (1974-10-01), Owen

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