[Jewelry making - Article 00370] - Re: [Orchid] Sparex No 2 101

[Mlou Brubaker]

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>     Boiling process also drives small particle of the acid in the air
>     and that gets in the lungs. Doing it in copper vessel, acid is used
>     up reacting with copper and the result is copper sulphide and
>     water. 

    Hmmm, interesting. I happen to have a pure copper lid on my pickle
    crock, because it was lidless and I had an old copper bowl I had
    made that fit it. This copper lid gets a beautiful rich green patina
    inside it, which I occasionally scrub off. Perhaps the copper is
    helping the air quality in my studio, by catching the particles and
    forming the sulphide? Leonid? Helen? 

M'lou Brubaker
Minnesota, USA
http://www.craftswomen.com/M'louBrubaker
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