Recovery of precious metals
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United States of America Patent
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Aug 27, 1985
Grant Date -
N/A
app pub date -
Dec 6, 1983
filing date -
Dec 7, 1982
priority date (Note) -
Expired
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Abstract
The extent of recovery of precious metals, preferably gold and silver, from precious metal ores, concentrates, tailings and wastes which are also sulphide- and arsenic- and/or antimony-bearing, is enhanced by treatment with Caro's acid (H.sub.2 SO.sub.5).
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