Process for producing hypophosphite compounds

Details Process for producing hypophosphite compounds Process for producing hypophosphite compounds

1997-09-19

1999-04-27

Langel, Wayne

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

23302T, C01B 25165

Patent

active

058978488

ABSTRACT:
Methods for the production of nickel or ammonium hypophosphite are disclosed, including combining sodium hypophosphite with nickel or ammonium sulfate to produce sodium sulfate and nickel or ammonium hypophosphite, and lowering the temperature of the solution containing the sodium sulfate to crystallize out the sodium sulfate.

REFERENCES:
patent: 5522972 (1996-06-01), Nobel et al.
patent: 5716419 (1998-02-01), Larsen

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