[Jewelry making - Article 00496] - Re: [Orchid] Removing a damaged enamal

[Al Balmer]

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>     To say care is required might be a understatement for a substance
>     that cannot even be stored in a glass container. 

    I'm usually rather impatient with posts warning intelligent adults
    about the dangers of workshop chemicals, but I'll make an exception
    for HF. This stuff is not only dangerous but sneaky. If you contact
    it, you may not even know until hours later, when it's too late. HF
    burns may not be visible or painful, even while the HF is migrating
    to your bones and turning them into calcium fluoride. Specialized
    medications are needed even for first aid treatment. Read the linked
    MSDS. 

    http://www.bu.edu/es/labsafety/ESMSDSs/MSHydFluoricAcid.html 

    Al Balmer (who once spent half a day in the company clinic
    undergoing various unpleasant treatments because a few drops *might*
    have splashed on him.) 

Sun City, AZ
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