Extraction process
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United States of America Patent
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Jan 12, 2010
Grant Date -
Apr 10, 2008
app pub date -
Oct 20, 2005
filing date -
Oct 20, 2004
priority date (Note) -
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Abstract
A process for extracting a precious metal from a precious metal containing source is provided comprising the steps of: —(i) contacting the precious metal-containing source with a vapor phase chloride salt; (ii) condensing the precious metal containing volatile product of step (i); and (iii) recovering the precious metal from the condensed product of step (ii).
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