Simple Methods of Gold Purification
25 Mar 2016 , Metallurgy Testwork Mining Laboratory & Plant Equipment Mineral Processing Blog , 21 Purifying Mercury; 22 Purifying Amalgam; 23 Refining Retorted Gold , with heavy sands, consisting of crushed zircons, garnets, cassiterite, , By smelting the gold freed from sand in a graphite pot with borax glass,....


