There are grayish-white impurities on the surface of copper deposited by electrowinning with pure liquid
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Recently, many grayish-white impurities have suddenly appeared on the surface of the electrodeposited copper. I’m seeking advice on what could be the main cause of this
The question raised by the original poster is highly specialized; it is likely difficult to answer without extensive experience in this industry. There should be no problems with the production process. If what the original poster is facing is merely an occasional incident, it is recommended to conduct investigations in terms of operating procedures, process control, and raw materials and auxiliary materials, in order to identify any trends or abnormalities in the control parameters – this might lead to some discoveries