Electronic Scrap Precious Metals Recovery: Gold, Silver ...
Electronic Scrap Precious Metals Recovery: Gold, Silver, Platinum ... the gold dissolves at the anode but immediately reprecipitates as it leaves the anode and falls to the bottom of the cell as a sludge. ... aqua regia for goldbearing items, and cyanide for thin exposed plating of silver or goldnone of the reagents was applicable to complex ...