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

< User:Melissa Novy | Notebook | CHEM-581 | 2012 | 11(Difference between revisions)

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

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 ==Objectives==
 * Analyze PVOH films with FTIR.
+* Conduct UV-vis on solutions of porphine + salt and CuSO<sub>4</sub> 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 [[User:Melissa_Novy/Notebook/CHEM-581/2012/10/24|2012/10/24]].
+* The following solutions were analyzed:
+{| {{table}}
+| align="center" style="background:#f0f0f0;"|'''Conc. Porphyrin [μM]'''
+| align="center" style="background:#f0f0f0;"|'''10 mM Salt []'''
+|-
+| 9.445||Na<sub>2</sub>SO<sub>4</sub>
+|-
+| 9.445||FeSO<sub>4</sub>
+|-
+| 9.445||Fe<sub>2</sub>(SO4)<sub>3</sub>
+|-
+| 9.445||Al<sub>2</sub>(SO4)<sub>3</sub>
+|-
+| 31.48||Na<sub>2</sub>SO<sub>4</sub>
+|-
+| 31.48||FeSO<sub>4</sub>
+|-
+| 31.48||Fe<sub>2</sub>(SO4)<sub>3</sub>
+|-
+| 31.48||Al<sub>2</sub>(SO4)<sub>3</sub>
+|}
+<br>
+[[Image:9.445_uM_Porphine.JPG]]
+<br>
+[[Image:31.48_uM_Porphine.JPG]]
+<br>
+* The peak at around 430 nm is assigned to porphine.
+* Note that Al<sub>2</sub>(SO4)<sub>3</sub> displays two additional peaks.