A new wet - chemical method for producing metallic silver directly from silver sulfide was proposed.

提出了一种新的从硫化银直接制备金属银的湿化学方法.

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The leaching solvents for the separation of silver sulfide native silver were investigated in this test.

研究价廉易得的铝作为还原剂,从含硫化银废水中制取试剂级硝酸银.

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