Production of potassium or sodium stannate

Details Production of potassium or sodium stannate Production of potassium or sodium stannate

1976-08-20

1978-01-03

Tung, T.

Chemistry: electrical and wave energy

Processes and products

204180P, 423593, C25B 100

Patent

active

040665186

ABSTRACT:
Alkali metal stannates are produced in an electrochemical process by dissolving a tin anode in an appropriate alkali metal hydroxide in the anode compartment of an electrodialytic cell. The anode compartment of the electrodialytic cell is separated from a cathode compartment by an anionic or a cationic permselective ion exchange membrane. The tin is dissolved in the anode compartment in the stannous form and after reacting with the alkali metal hydroxide is oxidized to the stannic form to produce the desired alkali metal stannate.

REFERENCES:
patent: 883589 (1908-03-01), Thirot
patent: 3795595 (1974-03-01), Wilson
patent: 3907653 (1975-09-01), Horn

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