[Jewelry making - Article 00290] - Re: [Orchid] Ferric chloride formula

[Margaret Malm]

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>         Hi Deb Tell the friend to mix it to a density that measures
>     Baume on a hydrometer (this is the solution printmakers use and my
>     supplier gives me the mixture he gives a local university
>     printmaking dept). 

    So, how many degrees Baume should it read? 

>         Or you can tell him you want a 67% solution. 

    67% by weight, or by volume? 

margaret

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