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How to Refine Gold (with Pictures) - wikiHowEdit Article How to Refine Gold Six Parts: Melt the Gold Add the Acid Add Urea and Precipitant Test the Acid for Dissolved Gold Cleaning the Gold Reconstituting the Gold Community Q&A You may want to make some extra money by refining your own gold at home, or you may be a jeweler who wants to refine gold in-house...know more

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Recovery and Refining of Gold Jewellery Scraps and WastesThe next step is the extraction of gold from the solution by a selective chemical reduction There are many suitable reducing agents for this purpose: ferrous sulphate, sulphur dioxide gas, oxalic acid, hydrazine, formaldehyde, sulphite and sodium bisulphate and so on (Corti, 2002)...know more

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