User:Melissa Novy/Notebook/CHEM-581/2012/11/07

Objectives

• Analyze solutions of porphine and either Al₂(SO₄)₃, Fe₂(SO₄)₃ FeSO₄, or Na₂SO₄ in HPLC H₂O.
• Obtain FTIR data on PVOH films.
  • Please refer to Moira Esson's entry for a list of films analyzed.

Absorbance of Solutions of 1.89 μM Porphine and Varied Concentration of Salt in HPLC H₂O

• The concentrations of salt in a total solution volume of 10 mL, with porphine concentration of 1.89 μM were as follows:
  • 1 mM, 2 mM, 5 mM, and 10 mM Al₂(SO₄)₃
  • 1 mM, 2 mM, 5 mM, and 10 mM Fe₂(SO₄)₃
  • 1 mM, 2 mM, 5 mM, and 10 mM FeSO₄
  • 1 mM, 2 mM, 5 mM, and 10 mM Na₂SO₄

• There were 16 solutions in total.

Volumes and Concentrations of Porphine and Salt in Solution

• Initial Concentrations of Stock Solutions

• Volumes of Stock Solutions Added to Make Sample Solutions

• Final Concentrations of Porphine and Salt in Sample Solutions

UV-Vis Spectra of 1.89 μM Porphine and Salt Solutions