[Jewelry making - Article 00145] - Re: [Orchid] How to remove PNP blue?

[Bethkatz]

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Hi All,

    The way that I remove the PnP is after I have achieved all the etch
    that I want, I rinse the plate in running water to remove any
    chemicals and then place it in a covered container containing
    household lemon ammonia. It works!!! Please make sure that the
    container has a tight fitting lid so the fumes remain inside the
    container. 

    I let it sit for a while until I see the film lifting, and then
    scrub well with a sponge or stiff nylon brush and use some fine
    pumice powder to make sure all the PnP is removed. It may take some
    time to soak, but it is very efficient and I am doing something else
    while it is in the ammonia bath. Takes off all the PnP with very
    little effort on my part. 

Beth Katz
Unique Solutions, Inc.
Paste Solder and Powder Solder for Jewelers and Metalsmiths
www.myuniquesolutions.com


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