提高挂镀锡镀层的均匀度 关 键 词：电镀锡；主盐；添加剂；镀层均匀度 [gap=766]Keywords：tin electroplating；main salt；additive；coating thickness uniformity
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实现了主盐离子的快速测量，达到了指导生产的目的。
This technique can be used for on-line measuring of main salt concentration and thus directing production.
在电镀过程中，镀液主盐离子浓度的变化对镀层的影响极大，对合金电镀更是如此。
The variation of concentration of main salt in electrolyte affects the quality of metal coating obviously, and it is for alloy plating coating as well.
采用工业铬酐-甲醇还原法制备三价铬主盐，给出了电镀铬-镍合金工艺配方与工艺规范并对镀层性能进行了测试。
By the reduction on industrial Chromic anhydride-methanol, the trivalent chromium main salt was made. The technological formula and standard of Chromium-Nickel alloy electroplating were given.
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