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Gold Refiners | BullionByPost
Sep 6, 2022German metal refiners Heraeus are one of the oldest refiners of precious metals in Europe. Having begun life in 1851, the company grew from its founder's discovery of a way to smelt and refine silver far quicker and with much less metal lost in the process. The company grew rapidly and expanded from silver to gold to platinum and palladium, and as they expanded so did their knowledge and ...