Recovery of Silver from Silver-containing Waste Water After Determination of COD Cr

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- Recovery of Silver from Silver-containing Waste Water After Determination of COD Cr
- Vol. 16, Issue 2, Pages: 54-57(1999)
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- Published：1999
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刘鸿, 陈庆邦. 从测定COD_Cr后的含银废液中回收银的试验[J]. 广东工业大学学报, 1999, 16(2): 54-57.

Liu Hong, Chen Qingbang. Recovery of Silver from Silver-containing Waste Water After Determination of COD Cr[J]. 1999, 16(2): 54-57.
刘鸿, 陈庆邦. 从测定COD_Cr后的含银废液中回收银的试验[J]. 广东工业大学学报, 1999, 16(2): 54-57. DOI：

Liu Hong, Chen Qingbang. Recovery of Silver from Silver-containing Waste Water After Determination of COD Cr[J]. 1999, 16(2): 54-57. DOI：

叙述了从测定ＣＯＤＣｒ后的含银废液中回收银的试验．选择用氯化钠沉淀，水合肼还原的流程，进行了氯化钠加入量、沉淀温度和酸度、水合肼还原银等的条件试验．结果表明：用氯化钠沉淀银离子，沉淀率在９８％以上；用水合肼还原银，还原率达９８％～９９％，且银粉纯度在９９％以上，可用以制成新的硫酸银试剂返回使用．

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