[Jewelry making - Article 00000] - Re: [Orchid] Struggling with soldering sterling silver

[The Doctor]

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>     Thanks to James for this tip, but how do you achieve that 50/50
>     ratio of a liquid and a solid?

    Perhaps I stated it incorrectly. I start with a clean, empty Skippy
    Peanut Butter jar. First, I fill it approximately one quarter full
    (by volume) of boric acid. Then I fill it to half (again, by volume)
    with denatured alcohol. Finally, I shake until it is as dissolved as
    much as it will get. In my world, that's 50/50. And no, the boric
    acid doesn't completely dissolve into solution and I never claimed
    it did. 

    This is the ratio I use so that I can replenish evaporated alcohol
    as needed. The classic recipe for this firecoat (or flux, if you
    prefer to call it that) is to add boric acid to alcohol until
    saturated, and agitate before use. You may fill the jar three
    quarters full of boric acid if you 

    wish, with the remaining one fourth alcohol, and agitate before use.
    It doesn't matter, you'll still have the same saturation of solution
    when you use it. It isn't a critical recipe. 

James in SoFl

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