How do i Precipitate gold from aqua regia solution by using reducing agent ferrous sulphate?
by using ferrous sulphate for precipitation of gold from aqua regia solution,i wish to know the procedure step by step when will i put the ferrous sulphate in solution,is it necessary to neutralize the solution first or it wont be necessary when using ferrous sulphate and dilution of ferrous sulphate in salt form or first make the solution in water then add to aqua regia solution also the quantity of ferrous sulphate and how many time it takes after dilute in solution and further process of pour off the gold mud. Thank you
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