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View Full Version : Why is sulphuric acid added to copper sulfate solution for electroplating?


sgsawant
Aug17-11, 02:12 PM
Electroplated a 5 micron layer of copper a few days ago. Was wondering why there's sulphuric acid in the solution.

Borek
Aug17-11, 03:04 PM
There are two reasons I can think of - one is strictly chemical (almost every heavy metal needs lowered pH for a solution to be stable) the other is an electrical one.