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.
主盐是指镀液中能在阴极上沉积出所要求镀层金属的盐﹐用于提供金属离子。
The salt solution is to point to in the cathode can be deposited required of the metal coating the salt, used to provide a metal ions.
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.
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