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研究过从银的卤化物和磷酸盐回收金属银的火法冶金方法。过程是在熔融状态下,使含银物料同碱金属碳酸盐或氢氧化物发生反应:
The pyrometallurgical method of recovering metallic silver from silver halides and phosphates has been studied. The process is in the molten state, so that the silver material and alkali metal carbonate or hydroxide reaction: