Oxidative dissolution of gallium arsenide and separation of...

Details Oxidative dissolution of gallium arsenide and separation of... Oxidative dissolution of gallium arsenide and separation of...

C - Chemistry, Metallurgy

22

B

53/166

C22B 3/44 (2006.01) C01G 15/00 (2006.01) C01G 28/00 (2006.01) C07F 5/00 (2006.01) C22B 3/16 (2006.01)

Patent

CA 1338030

Gallium is recovered from gallium arsenide by reacting and dissolving the gallium arsenide with an oxidant and a complexing agent, especially with water insoluble hydroxamic acids with mild conditions, e.g. with aqueous hydrogen peroxide and mild temperature, to effect separation of gallium hydroxamic acid chelates from water soluble arsenic compounds.

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