Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert E. Union0
Date of Patent
September 1, 2009
0Patent Application Number
116926460
Date Filed
March 28, 2007
0Patent Primary Examiner
Patent abstract
A process for the recovery of gold from a potassium iodide-iodine solution is provided. The gold is precipitated from the solution using a weak acid, (e.g. ascorbic acid), a buffer, (e.g. sodium bicarbonate), and a dye. The precipitate is then removed from the solution resulting in the recovery the gold precipitate and the potassium iodide-iodine solution.
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