C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/166, 204/66.5
C22B 58/00 (2006.01) C01G 15/00 (2006.01) C22B 3/32 (2006.01)
Patent
CA 1341041
Gallium is purified by washing organic solutions containing hydroxamic acid complexes of gallium with aqueous solutions, individually or in series, especially amine or ammonia solutions, and dilute acid solutions. The method is applicable to a variety of gallium sources, and capable of producing gallium of extremely high purity, especially with a repetitive procedure.
600729
Mcfadden Fincham
Met-Tech Systems Limited
Monsanto Company
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