User:Elizabeth Ghias/Notebook/Experimental Chemistry/2013/03/27

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Take out the hydrogels to thaw, crosslink the quaternary ammonium salt films made monday (0.01%), make 1% QAS film, filter the 10% QAS, and look up concentrations for the next hydrogel reaction.


  1. The hydrogels were removed from the freezer at 10 am and were put back in at 2 pm.
  2. The quaternary ammonium salt films made on monday could not be crosslinked because they had not set.
  3. The 10% QAS film was filtered using a vacuum pump and a buchner funnel.

Quaternary Ammonium Salt Film Preparation


  • Add data and results here...



Friday - crosslink the rest of the QAS films Monday - make bacteria starter culture Tuesday - plate the bacteria on the films Wednesday - read the films

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