Commercial aurum refining processes serve a major function in the international economy, supplying refined gold for jewelry, electronic components, medical devices, and financial reserves. However, the environmental consequences of these large-scale activities extend well outside the processing facility. Gold refining often involves chemical processing, elevated-heat smelting, and com... https://brenda951b6n.wiki-cms.com/8308165/understanding_the_secrets_of_gold_refining_practices_for_hobbyists_and_skilled_professionals