[Jewelry making - Article 00689] - [Orchid] Quick and dirty silver patina?

[Michael Balls]

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    I've always enjoyed playing at alchemy - chemistry without actually
    having a clue what I'm doing. So I'm not sure that what I discovered
    today is actually safe. I was messing around with potential
    patinating agents, and just happened to try ordinary chlorine bleach
    (sodium hypochlorite). I found that it turned sterling silver matte
    black in approximately two to five minutes, depending on hardness.
    That makes it a cheap, fast and readily available patinating agent.
    But like I said, I am not a chemist. Have I stumbled onto a neat
    shortcut for oxidizing silver, or developed a WMD? 


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