| 化学镀镍溶液再生 |
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| 引用本文： | 戎馨亚,吴纯素,陶冠红,何建平.化学镀镍溶液再生[J].印制电路信息,2004(12):35-39. |
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| 作者姓名： | 戎馨亚 吴纯素 陶冠红 何建平 |
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| 作者单位： | 中航雷达与电子设备研究院 |
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| 摘 要： | 本文主要研究了采用可溶性钙盐对以乳酸为络合剂、次磷酸盐为还原剂的失效化学镀镍溶液的再生。在pH为5.6～5.8、温度为45℃～50℃范围内,搅拌2小时、陈化0.5小时的情况下,可溶性钙盐使失效溶液中亚磷酸盐含量从156 g/L下降到23.06 g/L,而镍盐和次磷酸盐的损耗量极小。再生后镀液的镀速和外观都与新配槽液相当。
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| 关 键 词： | 化学镀镍 溶液再生 钙盐 沉积速率 失效溶液 |
Electroless Nickel Solution Regeneration |
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| Rong Xinya,Wu Chunsu Tao Guanhong,He Jianping.Electroless Nickel Solution Regeneration[J].Printed Circuit Information,2004(12):35-39. |
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| Authors: | Rong Xinya Wu Chunsu Tao Guanhong He Jianping |
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| Affiliation: | Rong Xinya Wu Chunsu Tao Guanhong He Jianping |
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| Abstract: | This paper is mainly described the exhausted electroless nickel solution regeneration by adoptingsoluble calcium salt as lactic acid is complexant, hypophosphite is reducer. At the condition of pH=5.6to 5.8,temperature=45to 50, mix for 2 hours, settle for 0.5 hour and the soluble calcium salt make the phosphate in theexhausted solution changed from 156g/Lto 23.06 g/L, but the nickel and hypophosphite are wasted little. The deposit-ing rate and the deposit appearance of regenerated solution are almost same as the new make-up bath. |
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| Keywords: | electroless nickel solution regeneration calcium salt depositing rate exhausted solution |
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