Can Silver be Electroplated with Silver Cyanide in a Nitric Acid Solution?

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Discussion Overview

The discussion centers on the feasibility and safety of electroplating silver using silver cyanide in a nitric acid solution. Participants explore alternative methods and materials for achieving silver plating, including concerns about the use of cyanides and the effectiveness of different silver salts.

Discussion Character

  • Exploratory
  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant inquires about the possibility of using silver cyanide in a nitric acid solution for electroplating silver and asks about the appropriate pH.
  • Another participant expresses concern about the safety of using cyanides in acidic solutions.
  • A later reply indicates a change of mind regarding the use of cyanides and asks for alternative silver salts, suggesting silver nitrate as a potential option.
  • Another participant proposes using aluminum in a weak sodium borate solution as an alternative method for electroplating.
  • One participant recalls that previous recipes for electroplating involved complexed cations, suggesting that silver nitrate alone may not yield a satisfactory finish.
  • A participant mentions that silver-plating kits are available for safer and easier use, sharing personal experience with them.
  • The original poster considers the Twinkle tarnish remover method and questions why most silver salts do not work for electroplating.
  • A participant briefly mentions complex formation as a possible reason for the effectiveness of certain silver salts.

Areas of Agreement / Disagreement

Participants express differing opinions on the use of cyanides and the effectiveness of various silver salts for electroplating. There is no consensus on the best approach or materials to use.

Contextual Notes

Participants highlight safety concerns regarding cyanides and the potential limitations of using silver nitrate alone for achieving a good finish. The discussion reflects uncertainty about the chemistry involved in electroplating with different silver salts.

Who May Find This Useful

Individuals interested in electroplating, silver-smithing, or jewelry manufacture may find this discussion relevant, particularly those considering DIY methods or alternatives to commercial kits.

Sakha
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Hello, I want to electroplate silver stuff with more silver to remove the tarnish, its mainly an experiment I want to do because its always easier with Twinkle tarnish remover.

It's possible to do this with Silver Cyanide in a nitric acid solution? If yes, what should be the pH? Or should I avoid using acid solution for safety reasion i.e harmful Cyanide gases?

Thanks for replies and I really want suggestions.
 
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Putting cyanides in acid doesn't sound good to me.
 
After posting this and googling some I realized I don't want to play with Cyanides.
You know of any other silver salt that may be useful? Would AgNO3 work?
 
Try a puck of aluminum in a weak solution of sodium borate.
 
Most recipes I remember (don't ask about details - I have seen them 30 years ago and they were in Polish) asked for baths that contained complexed cations - so I think just silver nitrate won't give a good, shiny surface.

--
 
Silver-smithing and jewelry manufacture is a popular hobby, and the stores that sell supplies for this stuff usually sell silver-plating kits. I'd recommend getting one of those. It's both safer and easier and probably cheaper.

(I've done it myself in fact. Even though I've got a degree in chemistry and could do it all 'from scratch'.. why bother?)
 
I guess I'll go the Twinkle way, didnt find any substitute for silver cyanide. Thinking the chemistry of it, shouldn't all Ag salts that are soluble works for this? I can seem to figure out why most doesn't work
 
Complex formation.
 

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