Electroplating with mixed metal electrodes?

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SUMMARY

The discussion centers on the feasibility of using guitar strings, which are primarily stainless steel with a nickel outer layer, for electroplating an item with pure nickel. The user inquires whether the presence of stainless steel in the electrolyte solution will affect the purity of the nickel plating. It is concluded that while the nickel-based salt solution will primarily deposit nickel, the stainless steel core may introduce complications. A suitable potential difference must be applied to ensure only nickel is oxidized during the plating process.

PREREQUISITES
  • Understanding of electroplating principles
  • Familiarity with nickel-based salt solutions
  • Knowledge of the electromotive series
  • Experience with potential difference in electrochemical processes
NEXT STEPS
  • Research the properties of nickel-based electrolytes for electroplating
  • Study the electromotive series and its implications for electroplating
  • Learn about potential difference requirements for nickel oxidation
  • Explore alternative sources of pure nickel for electroplating
USEFUL FOR

This discussion is beneficial for hobbyist electroplaters, metal finishing professionals, and anyone interested in the practical applications of electroplating with mixed metal electrodes.

Latsabb
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Hello.

I need to nickel plate an item, but there are no sources of pure nickel in my immediate area other than guitar strings. I picked up a set, which was labeled as pure nickel, but it was obvious upon inspection that only the wound strings had nickel, and that was only the woven outer layer. So this means that there is a stainless steel cable in the middle, with nickel cable wrapped around it.

So, my question is this: Can I use these strings to electroplate with, and still get a pure nickel plating? Or will the steel being in the electrolyte solution cause problems? My gut says that since the solution is a nickel based salt, it should only plate with nickel, but I would like to just double check.

Thank you in advance.
 
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I think that you may need to check the electromotive series as in this cas you will need to use a source of potential difference only suitable for nickel to be oxidized
 

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