[Jewelry making - Article 00028] - Re: [Orchid] PNP paper falls off during etching

[ali]

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    Yes, this happened to me, although I was unlucky enough to have work
    ruined (brutal burnishing can sort out minor errors). The problem is
    that nitric acid is too aggressive really to use with PnP, try ferric
    nitrate instead it's far easier to deal with. Do a search in the
    archives and you will find out exactly how to mix it etc. 

Good luck 
Ali
Sheffield UK
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