Difference between revisions of "User:Allison K. Alix/Notebook/CHEM-581/2012/10/24"

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==Description==
 
==Description==
 +
#UV-Vis Spectra of ''porphyrin solutions'' with the following concentrations were collected:
 +
## 25μM
 +
## 12.5μM
 +
## 6.75μM
 +
## 3.375μM
 +
## 1.6875μM
 +
# 10 mL 50 μM of the following ''sulfate solutions'' were prepared:
 +
## Na<sub>2</sub>SO<sub>4</sub>
 +
## Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>
 +
## Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>
  
 
==Data==
 
==Data==
 +
 +
<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">Preparation of 50 μM Na<sub>2</sub>SO<sub>4</sub></div>
 +
 +
<math> \frac {142.07 g} {mol} \times \frac {50mmol} {L} \times \frac {10^-3 mol} {1mmol} \times \frac {1 L} {1000mL} \times 10mL = 0.071035 g</math>
 +
 +
0.071035 g Na<sub>2</sub>SO<sub>4</sub> in 10mL H<sub>2</sub>O to prepare 50mM. Dilute to 50μM by using 10μL 50mM in 9.99mL H<sub>2</sub>O.
 +
----
 +
<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">Preparation of 50 μM 72 wt% Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub></div>
 +
 +
<math> \frac {72} {100} \times \frac {399.88 g} {mol} \times \frac {50mmol} {L} \times \frac {10^-3 mol} {1mmol} \times \frac {1L} {1000mL} \times \frac 10mL = 0.144g </math>
 +
 +
0.144 g 72 wt% Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> in 10mL H<sub>2</sub>O to prepare 50mM. Dilute to 50μM by using 10μL 50mM in 9.99mL H<sub>2</sub>O.
 +
----
 +
<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">Preparation of 50 μM Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub></div>
 +
 +
<math> \frac {656.33 g} {mol} \times \frac {50mmol} {L} \times \frac {10^-3 mol} {1mmol} \times \frac {1L} {1000mL} \times 10mL = 0.328g </math>
 +
 +
0.328 g Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> in 10mL H<sub>2</sub>O to prepare 50mM. Dilute to 50μM by using 10μL 50mM in 9.99mL H<sub>2</sub>O.
 +
----
 +
 +
 +
 +
 
[[Image:GraphPorphyrinSolutions.png]]
 
[[Image:GraphPorphyrinSolutions.png]]
  

Revision as of 13:14, 6 November 2012

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Objective

  • Take UV-Vis of porphyrin solutions
  • Re-do crosslinking of porphyrin films
  • Prepare sulfate solutions

Description

  1. UV-Vis Spectra of porphyrin solutions with the following concentrations were collected:
    1. 25μM
    2. 12.5μM
    3. 6.75μM
    4. 3.375μM
    5. 1.6875μM
  2. 10 mL 50 μM of the following sulfate solutions were prepared:
    1. Na2SO4
    2. Fe2(SO4)3
    3. Al2(SO4)3

Data

Preparation of 50 μM Na2SO4

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): {\displaystyle \frac {142.07 g} {mol} \times \frac {50mmol} {L} \times \frac {10^-3 mol} {1mmol} \times \frac {1 L} {1000mL} \times 10mL = 0.071035 g}

0.071035 g Na2SO4 in 10mL H2O to prepare 50mM. Dilute to 50μM by using 10μL 50mM in 9.99mL H2O.


Preparation of 50 μM 72 wt% Fe2(SO4)3

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): {\displaystyle \frac {72} {100} \times \frac {399.88 g} {mol} \times \frac {50mmol} {L} \times \frac {10^-3 mol} {1mmol} \times \frac {1L} {1000mL} \times \frac 10mL = 0.144g }

0.144 g 72 wt% Fe2(SO4)3 in 10mL H2O to prepare 50mM. Dilute to 50μM by using 10μL 50mM in 9.99mL H2O.


Preparation of 50 μM Al2(SO4)3

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): {\displaystyle \frac {656.33 g} {mol} \times \frac {50mmol} {L} \times \frac {10^-3 mol} {1mmol} \times \frac {1L} {1000mL} \times 10mL = 0.328g }

0.328 g Al2(SO4)3 in 10mL H2O to prepare 50mM. Dilute to 50μM by using 10μL 50mM in 9.99mL H2O.




GraphPorphyrinSolutions.png

Notes

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