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  • riddle solved:THAT is the white "depris" under my nib!!:
      • lutz (Login ammererlutz)
      AP Discussion Group
      Posted Dec 16, 2004 6:24 AM

      Hello all,

      in a previous post I asked what could have happened to one pen after usage of green Pelikan ink for some months.The ink bottle was bought 3 months ago.
      After some time the ink flow stopped inspite of rinsing the pen repeatedly and I observed a strange white "debris" or "lime" -as I thought - under the nib.
      I did not rest and succeeded in getting some of this white stuff on a slide and put it under my microscope,the surprise was great:


      (Image made at approx. 600x magnification,phase-contrast Leitz microscope):




      It is mould!

      Obviously the Pelikan ink did not contain enough desinfectant and the watery base was culture medium for mould.

      I hope these news were as interesting for You as for me.

      best regards,
      Lutz
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