User:Douglas M. Fox/Notebook/AU CHEM-581 F2012 Lab Support/2012/08/09

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PVOH Films

  • Heated mineral acid catalyzed films at 100°C for 1 hr
    • cut small piece for heating & solubility test
    • HCl: stiffened & turned black
    • HNO3: very hard & cream colored
    • H3PO4: translucent & flexible (but stiffer than preheated sample)