由混汞、重选和氰化法获得的汞膏、金精矿和金泥,一般含金品位为10～45%。目前,湿法炼金中较为常用的是“溶银”硫酸法、硝酸法、王水精制法和氯化法四种。我矿应用硝酸法提炼黄金获得良好效果。一、原料和设备我矿炼金的原料为汞膏和金精矿。汞膏含汞50～60%、金25～30%、银10～14%、铜2%及其他杂质;金精矿含金40～60%,其余为铜和铁的硫化物。 Mercury, gold concentrates and gold muds, obtained from amalgamation, gravity and cyanidation processes, generally have a gold content of 10-45%. At present, wet alchemy is more commonly used in the “silver” sulfuric acid method, nitric acid method, aqua regia and chlorination four. I mine the use of nitric acid extraction of gold to obtain good results. First, raw materials and equipment My mine alchemy raw materials for the mercury cream and gold concentrate. Mercury mercury 50 to 60%, gold 25 to 30%, silver 10 to 14%, 2% copper and other impurities; gold concentrate 40 to 60%, the rest of the copper and iron sulfide.