Purification of gold are being newly separation of dust and silt and other impurities by
Purification of gold are being newly separation of dust and silt and other impurities by strong water currents to remove sand and alluvial minutes, and the remaining minutes of gold in place due to the high density of gold has been used mercury to melt the gold without sand and silt. Then concludes the final gold of mercury distillation. It also draws a presentation at the copper gold and silver mining. There are chemical methods to extract gold, which tightens its way cyanide, or melt the silver alloys in concentrated sulfuric acid, being purified gold with nitric acid first, then electrolysis.
