The issue with nickel ions in the plating solution? ? ?
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1. What methods are there to separate or remove nickel ions from the gold plating solution? ? ? Can electrolysis be used, or the ion exchange resin method? I don’t know; could someone please give me some guidance? ? Thank you! ! ! ! 2. What are the methods to remove or separate iron and copper ions from the chromium plating solution? Please give me some advice! ! ! ! Can it be done using electrolysis? 3. Is the electrolytic method suitable for removing impurity ions from all plating solutions? 4. Based on the above, why were the aluminum ions in phosphoric acid not removed by electrolysis? ? ? ?
Regarding the nickel ions in Solution 1 for plating, they can be removed using chemical precipitation; I can send you relevant materials for reference if you need them! !