The component data of pearl nickel, bright nickel, acidic copper and brass plating solution in production were analyzed when the best result of the plating deposit obtained.
为了获得电镀的最佳结果，在生产中对珍珠镍、光亮镍、酸性铜和黄铜四种镀液的成分参数进行了统计分析。
Function of each component in solution and process flow of bright sulfate Sn plating were introduced. Tarnish reasons of Sn deposit were analyzed.
介绍了光亮硫酸盐镀锡液中各成分作用及其工艺流程，对锡镀层变色的原因进行了分析。
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