Large Scale Gold Refining By the Aqua Regia Acid Method Large Scale Gold Refining By the Aqua Regia Acid Method. 0. ... Outline of the Process. The gold refining technique described here is the rather ancient wet chemical method whereby the gold-bearing scrap is dissolved in aqua-regia. m is gold solution is then filtered and the jewelers bench dirt, sandpaper grit, grinding wheel grains and similar ... refining process of gold - christoartfair Gold International Machinery The One Stop Shop for . An expansive resource for new and used machinery for industrial, jewelry and precious metal manufacturing. ... The process of refining gold to remove any impurities that may be found intermixed with the noble metal is an ancient practice that has long been employed by diverse cultures. Home - Doral Refining Corp Doral Refining Corporation - Assaying and Refining Gold, Silver, Platinum, Palladium. Originally founded in New York City in 1972 as a dental scrap refinery, Doral has evolved into a nationwide full-service precious metals refinery based in Freeport, NY. Doral currently services individual customers and commercial accounts in the jewelry, dental and manufacturing fields.    Read More

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