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lazyman's tek

  1. G

    TEK Looking for advice/comments on extraction

    Hi Using lazyman's/nomans teks since around 2010, I now tried with 100% xylene for the first time. Evap test completely clean, but it takes a long time to evaporate. I started with 50g powdered (very, very finely powdered!) MHRB, 75g NaOH, 0,5l water and used 20 to 30ml room temperature...
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