User:Melissa Novy/Notebook/CHEM-581/2012/11/02

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(UV-Vis of Porphine and Sulfate Salt Solutions)
Current revision (13:49, 30 November 2012) (view source)
(UV-Vis of Porphine and Sulfate Salt Solutions)
 

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Objectives

  • Analyze PVOH films with FTIR.
  • Conduct UV-vis on solutions of porphine + salt and CuSO4 exchanged with MT clay solutions.

FTIR of PVOH Films

Image:FTIR.JPG

UV-Vis of Porphine and Sulfate Salt Solutions

  • The sulfate salt solutions were made on 2012/10/24.
  • The following solutions were analyzed:
Conc. Porphyrin [μM] 10 mM Salt []
9.445Na2SO4
9.445FeSO4
9.445Fe2(SO4)3
9.445Al2(SO4)3
31.48Na2SO4
31.48FeSO4
31.48Fe2(SO4)3
31.48Al2(SO4)3


Image:9.445_uM_Porphine.JPG
Image:31.48_uM_Porphine.JPG

  • The peak at around 430 nm is assigned to porphine.
  • Note that Al2(SO4)3 displays two additional peaks.



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