C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/06 (2006.01) C22B 3/16 (2006.01) C22B 11/00 (2006.01)
Patent
CA 2058969
2058969 9015887 PCTABS00003 Platinum group metals are recovered from lower-grade ores than hitherto considered economic by lixiviation with aqueous arsenate or thiosulphate, plus halide, in air.
Anthony Elizabeth Youngblood
Williams Peter Alan
Fetherstonhaugh & Co.
University College Cardiff Consultants Limited
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