Silver as an electrode

  1. Sep 7, 2013 #1
    If I was to electrolyse a hot sodium chloride solution I'm pretty sure a copper electrode would react to make copper chloride. Whereas I would have used graphite electrodes if the solution was cold, this reaction should produce sodium chlorate which can obviously be quite reactive with organic compounds. The only other thing I have in the house is some spare silver. It's no platinum but it is more inert than copper. Would silver or graphite be safe, or should I only attempt this with platinum?
  2. jcsd
  3. Sep 7, 2013 #2


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    Staff: Mentor

    Silver is not that noble, especially in the chlorides solution it can be relatively easy oxidized to AgCl.
  4. Sep 9, 2013 #3
    What are you actually trying to do here?

    Neither the oxygen gas nor sodium chlorate in aqueous solution, even at 100 degrees, should start a fire with your graphite electrode. Graphite requires very high temperatures to ignite.
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