Industrial gold purification operations serve a major role in the international marketplace, supplying purified precious metal for ornamental products, electronics, medical devices, and monetary assets. Nevertheless, the environmental impacts of these large-scale operations reach well beyond the refinery site. Precious metal processing often requires chemical processing, elevated-heat... https://michael397b6p.wikihearsay.com/4171100/understanding_the_key_techniques_of_auriferous_refining_practices_for_hobbyists_and_experts