[Jewelry making - Article 00646] - Re: [Orchid] Etching and red and brown stains on brass

[jkbrennan]

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    ZUD in the small kitchen cleanser type can  at the supermarket  or
    hardware store,  Also Barkeepers Friend  from the same places. Zud
    is a little less abrasive. You don't need the abrasive action to
    take off iron and  copper stains -- just the cleanser and a little
    water and very light rubbing. 

    This is another plus for the Edinberg  etch formula that adds a
    little citric acid to the ferric chloride. see: 

    http://www.polymetaal.nl/beguin/mape/edinburgh_etch.htm

<edit>

    Related Pages:
    http://www.ganoksin.com/ftp/edinburg-etch.pdf

</edit>

jesse

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