[Jewelry making - Article 00378] - Re: [Orchid] Sodium bisulfate

[David Arens]

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Hi Tony,

>      Sodium bisulphate (NaHSO3)is used for all sorts of processes
>     including ceasing fermentation in cheap wine, but I've never heard
>     of it for use in metalsmithing. I'd urge care. It decomposes very
>     rapidly into sulfur dioxide gas (SO2) and sodium hydroxide
>     (NaOH.)

    I've used sodium bisulphate as a pickle for several years. I use it
    warm in a crock pot. I use pH Minus which is sold for controlling
    the pH in swimming pools. It's less expensive (cost about $1/lb) &
    does a very effective job as a pickle. In Arizona it's available in
    grocery, drug & pool supply stores. 

    Although I'm sure it decomposes, I've not experienced what I would
    call 'rapid decomposition' & I've never noticed an sulufur dioxide
    aroma in the shop. 

Dave

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