[Jewelry making - Article 00401] - [Orchid] Etching and Red and brown stains on brass

[Sandra Wolfe]

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Hi,

    I've been building a brass box that has an etched pattern on the
    surface. Both the etching (with Ferric Chloride) and soldering ends
    up producing both brown and red stains on the brass. Both I have
    trouble getting off. In the past I've just sanded it off. But since
    this surface is etched I don't want to lose or soften my surface
    design. 

    I'm hoping someone can tell me what the red and brown stains are and
    the best way to remove them or prevent them. 

Thanks,
Sandra Wolfe
swolfe AT restoration-photo.us

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