[Jewelry making - Article 00432] - Re: [Orchid] Peroxide & Vinegar

[Chris Boothe]

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    Hi--I am a new member replying to Marlin's question (under peroxide
    & vinegar): 

    Do any of you have any experience using MultiEtch? 

    I've been working with titanium since 1979 dba Exotica Jewelry.
    After ten years of using hydrofluoric and nitric acids, while using
    all the necessary but burdensome safety devices, I no longer wanted
    to engage in such critical risk management... So I worked on
    developing a safer alternative which I market as Multi-Etch--it has a
    ph of 6.60--almost neutral. 

    I had the product tested by an industrial hygiene firm and the
    following are a few quotes from their report. 

    "The mixture, if handled properly, is not a highly dangerous
    solution." 

    "Working with the materials inside a local exhaust ventilation hood
    is recommended." 

    "It appears from the current literature that flushing the spent
    solution down the drain using copious amounts of water as a method
    of disposal is adequate in regards to the percentage of hazardous
    ingredients in the spent solution." 

    I performed air sampling with Draeger tubes while etching titanium
    and consistently got zero readings for fluoride/fluorine gas. In
    other words, Multi-Etch is not as safe as water but with care, can be
    used without fear. 

    What it will do: 

    -- Prepares titanium for anodizing brilliant colors, i.e., voltages
    over 50. Removes anodizing mistakes on both titanium and niobium. 

    -- Can be used with other metals too. It will not remove silver or
    gold ions but zaps away copper flash/light fire scale. 

    -- Great on mokume for producing dimensional etches. 

    -- Works great on copper and brass. 

    -- For platinum it's the only thing I've ever used for the final
    cleaning prior to welding/soldering. 

    -- Removes broken drills/taps from titanium, niobium, silver, gold,
    or platinum. 

    -- And yes, I've even used it to get rust stains out of my
    daughter's clothes! But note, rinse real well or it will put holes in
    the clothes. 

Hope the above is helpful.

Chris Boothe
(800) 297-6707
www.ringsforever.com
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