[Jewelry making - Article 00468] - Re: [Orchid] [Source] No-San acid for titanium etching

[Alberic]

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Hi Karen:

    I used to use No-San for surface prep on Titanium. Somewhere I even
    have the lab workup on it. (If memory serves, it was primarily
    sulfuric acid with a bit of thiourea.) However, I switched over to
    'multi-etch' from Reactive Metals years ago, and have gotten better
    results with that ever since. You can get it from their website.
    (www.reactivemetals.com) 

    Standard disclaimers apply, just a satisfied user. 

    Regards,
    Brian Meek.

    PS--> If you're *really* dead set on no-san, I think I may have half
    a gallon or so left, although it's at least 10 years old. ( I suspect
    I may have turned it in at one point or another, as it's not anywhere
    obvious.)
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