1- )The silver proportion in gold scrap is checked. It should be less than 8%. 2- ) The thin parts are put into the titanium boiler. The thicker parts however should be melted first and put into water ...
More gold is recovered by cyanidation than by most other processes. In cyanidation, the metallic gold is oxidised and then dissolved in an alkaline cyanide solution. When the gold dissolution process ...
Waste or scrap is solved in aqua regia, just like we treat gold. It is filtered to separate silver chloride. It is precipitated using gold sulfite or iron sulphate. It is filtered and taken out.
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