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Re: [MedievalSawdust] Re: Oil Extraction

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  • leaking pen
    for a solution, its likely a molar percentage. ie, not weight, actual number of particles. and i mean in comparison. ... -- That which yields isn t always
    Message 1 of 12 , Jan 5, 2007
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      for a solution, its likely a molar percentage. ie, not weight, actual
      number of particles.

      and i mean in comparison.

      On 1/5/07, Avery Austringer <avery1415@...> wrote:
      > >This brings up another mental query I had. Modern "boiled" oil is
      > >really not boiled, with a LOT of metal dryers, I've heard.
      >
      > I'm not sure what qualifies as "a lot". I found a reference to 0.33%
      > copper, cobalt, zinc or maganese napthenate in linseed oil, but I don't
      > know that any of these metals produce strongly colored salts when
      > exposed to things in wood the way iron and tanic acid do.
      >
      > I'm not sure that the 0.33% is total weight to total weight or the
      > weight of the metal itself to total weight.
      >
      > Avery
      >
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      >


      --
      That which yields isn't always weak.
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