the physical or chemical methods torefine gold
How to Refine Gold 2 Major Techniques of Gold Refining,Two 2 major techniques for refining gold Generally gold can be refined using these twobestknown goldrefining procedures Aqua Regia and gold electrolysis Both of these techniques can be used to separate gold from other metals This is because a little piece of other metals in gold can change its properties and value...As a leading global ...