Method for oxidizing hypophosphite ion

Details Method for oxidizing hypophosphite ion Method for oxidizing hypophosphite ion

1993-09-13

1994-11-08

Langel, Wayne

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2512

Patent

active

053624653

ABSTRACT:
A method for oxidizing a hypophosphite ion, comprised of bringing a solution containing a hypophosphite ion into contact with at least one catalyst selected from the group consisting of boron-nickel compounds, boron-cobalt compounds, and metallic palladium to oxidize the hypophosphite ion to a phosphite ion.

REFERENCES:
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Edition, vol. 4 (1978) pp. 183, 184.
"Treatment of Electroless Nickel Plating Liquid", Kizai Kyogo Kyokai, Nippon Hyomenshori (i.e., Plating) pp. 30-48, 1981.
"Treatment of Hypophosphite Ion in Electroless Nickel Plating Aged Liquid Using Optical Catalyst", Mekki no Sekai (i.e., Plating World in Japanese), 294, pp. 68-72, Apr. 1992.
"Effect of Organic Acid on Treatment of Hypophosphite Ion in Electroless Nickel Plating Aged Liquid Using Optical Catalyst", Mekki no Sekai (i.e., Plating World in Japanese), 305, pp. 60-64, Jun. 1993.
"Removal of Phosphorus in Electroless Nickel Plating Waste Liquid by Calcium Hypochlorite", Mekki no Sekai (i.e. Plating World in Japanese) 289, pp. 40-44, 1992.

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