Edit: Deleting this post. It’s starting to get controversial, but that’s OK. Not what I planned on, but whatevers.

  • plandeka@lemmy.world
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    4 months ago

    What I do is just expose the dirty isopropanol to sun or UV in general - the resin will precipitate. Then just filter it out and you have clean isopropanol.

      • plandeka@lemmy.world
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        4 months ago

        I see, to be honest I have not checked how clean it actually is. It is visually transparent, as opposed to the used one, but you are probably correct.