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Volume 14 Issue 4
Dec.  2000
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LUO Xu-yan, LI Dong-lin. The bright plating tin process against discoloration on the violet copper capillary[J]. Nonferrous Metals Science and Engineering, 2000, 14(4): 41-42.
Citation: LUO Xu-yan, LI Dong-lin. The bright plating tin process against discoloration on the violet copper capillary[J]. Nonferrous Metals Science and Engineering, 2000, 14(4): 41-42.
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The bright plating tin process against discoloration on the violet copper capillary

  • Southern Institute of Metallurgy, Ganzhou 341000, Jiangxi, China

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  • Received Date: June 18, 2000
  • Published Date: December 30, 2000
    Graphical Abstract
    • Abstract
  • The bright plating tin coating on the violet copper capillary is subject to corrosion and discoloration. Corrosion will inevitably result in degrandation of decoration and solderability. The causes of discoloration are described in detail, we will find when adding 3~5g/L Bi2(SO4)3 to ordinary bright plating tin liquor, the 4-5 μm bright plating tin coating against discoloration is formed on the violet copper capillary under 3~4A/dm2 of current density.
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    • References (3)
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    庄瑞舫.锡和锡基合金镀层的可焊性研究[J].电镀与精饰, 1997, 19(4):4. http://kns.cnki.net/KCMS/detail/detail.aspx?filename=dyji199704001&dbname=CJFD&dbcode=CJFQ
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    李鸿年, 张绍恭, 张炳乾, 等.电镀工艺手册[M].上海:上海科技出版社, 1989.196、601.
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    王献科, 李玉萍.选择性螯合剂滴定法测定铋[J].电镀与环保, 1997, 17(2):25.
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