User:Madeleine Y. Bee/Notebook/CHEM-581 Experimental Chemistry/2014/09/03: Difference between revisions

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====Differential Scanning Calorimetry Data====
====Differential Scanning Calorimetry Data====
{| {{table}}
{| {{table}}
| align="center" style="background:#f0f0f0;"|''''''
| align="center" style="background:#f0f0f0;"|'''PVA film in 2 ppm MG'''
| align="center" style="background:#f0f0f0;"|'''PVA film in 2 ppm MG'''
| align="center" style="background:#f0f0f0;"|''' '''
|-
| Onset of H<sub>2</sub>O evaporation||99.59 °C
|-
| Heat of hydrate decomposition ||830.4 J/g
|-
| Major peaks in H<sub>2</sub>O (minima)||101, 103, 134 °C
|-
| Glass transition (avg)||68.99 °C
|}
<br.>
{| {{table}}
| align="center" style="background:#f0f0f0;"|'''PVA film in 8 ppm MG'''
| align="center" style="background:#f0f0f0;"|'''PVA film in 8 ppm MG'''
| align="center" style="background:#f0f0f0;"|''' '''
|-
| Onset of H<sub>2</sub>O evaporation||100.91 °C
|-
| Heat of hydrate decomposition ||1130 J/g
|-
| Major peaks in H<sub>2</sub>O (minima)||103.58, 107, 117, 120 °C
|-
| Glass transition (avg, top)||68.11 °C
|-
| Glass transition (avg, first bottom)|| 68.94 °C
|-
| Glass transition (avg, second bottom)|| 87.66 °C
|}
<br.>
{| {{table}}
| align="center" style="background:#f0f0f0;"|'''PVA film in 80 ppm MG'''
| align="center" style="background:#f0f0f0;"|'''PVA film in 80 ppm MG'''
| align="center" style="background:#f0f0f0;"|''' '''
| align="center" style="background:#f0f0f0;"|'''PVA film in 200 ppm MG'''
|-
|-
| Onset of H<sub>2</sub>O evaporation||99.82 °C
| Onset of H<sub>2</sub>O evaporation||99.59 °C||100.91 °C||99.82 °C||99.77 °C
|-
|-
| Heat of hydrate decomposition ||1458 J/g
| Heat of hydrate decomposition ||830.4 J/g||1130 J/g||1458 J/g||938.2 J/g
|-
|-
| Major peaks in H<sub>2</sub>O (minima)||110, 117, 130 °C
| Major peaks in H<sub>2</sub>O (minima)||101, 103, 134 °C||103.58, 107, 117, 120 °C||110, 117, 130 °C||125.54, 135, 106, 101 °C
|-
|-
| Glass transition (avg, top)||68.17 °C
| Glass transition (avg, top)||68.99 °C||68.11 °C||68.17 °C||68.36 °C
|-
|-
| Glass transition (avg, bottom)|| 68.56 °C
| Glass transition (avg, first bottom)|| -||68.94 °C|| 68.56 °C|| 69.15 °C
|}
<br.>
{| {{table}}
| align="center" style="background:#f0f0f0;"|'''PVA film in 200 ppm MG'''
| align="center" style="background:#f0f0f0;"|''' '''
|-
| Onset of H<sub>2</sub>O evaporation||99.77 °C
|-
| Heat of hydrate decomposition ||938.2 J/g
|-
| Major peaks in H<sub>2</sub>O (minima)||125.54, 135, 106, 101 °C
|-
| Glass transition (avg, top)||68.36 °C
|-
|-
| Glass transition (avg, bottom)|| 69.15 °C
| Glass transition (avg, second bottom)||-|| 87.66 °C||-||-
|}
|}
<br.>
{| {{table}}
{| {{table}}
| align="center" style="background:#f0f0f0;"|''''''
| align="center" style="background:#f0f0f0;"|'''PVA-Clay film in 2 ppm MG'''
| align="center" style="background:#f0f0f0;"|'''PVA-Clay film in 2 ppm MG'''
| align="center" style="background:#f0f0f0;"|''' '''
|-
| Onset of H<sub>2</sub>O evaporation||100.51 °C
|-
| Heat of hydrate decomposition ||1276 J/g
|-
| Major peaks in H<sub>2</sub>O (minima)||107, 109, 11, 125 °C
|-
| Glass transition (avg, top)||68.16 °C
|-
| Glass transition (avg, bottom)||68.70 °C
|}
<br.>
{| {{table}}
| align="center" style="background:#f0f0f0;"|'''PVA-Clay film in 8 ppm MG'''
| align="center" style="background:#f0f0f0;"|'''PVA-Clay film in 8 ppm MG'''
| align="center" style="background:#f0f0f0;"|''' '''
| align="center" style="background:#f0f0f0;"|'''PVA-Clay film in 80 ppm MG'''
| align="center" style="background:#f0f0f0;"|'''PVA-Clay film in 200 ppm MG'''
|-
|-
| Onset of H<sub>2</sub>O evaporation||98.55 °C
| Onset of H<sub>2</sub>O evaporation||100.51 °C||98.55 °C||100.76 °C||99.70 °C
|-
|-
| Heat of hydrate decomposition ||865.9 J/g
| Heat of hydrate decomposition ||1276 J/g||865.9 J/g||1044 J/g||1138 J/g
|-
|-
| Major peaks in H<sub>2</sub>O (minima)|| °C
| Major peaks in H<sub>2</sub>O (minima)||107, 109, 11, 125 °C||101.19, 104, 130 °C||101, 105, 108 °C||108, 110, 131 °C
|-
|-
| Glass transition (avg, top)|| °C
| Glass transition (avg, top)||68.16 °C||68.59 °C||68.27 °C||68.54 °C
|-
|-
| Glass transition (avg, bottom)|| °C
| Glass transition (avg, bottom)||68.70 °C||69.02 °C||68.50 °C||67.97 °C
|}
|}


Revision as of 18:46, 17 September 2014

CHEM 581: Experimental Chemistry <html><img src="/images/9/94/Report.png" border="0" /></html> Main project page
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September 3, 2014

Procedures

Completing Film Synthesis

Continued from Friday, 8/29/2014<br.> Procedure detailed by Dr Hartings

  • Stir in Sodium Sulfate, 1% HCl, and Sodium Bicarbonate solutions

Beginning New Film Synthesis

Procedure detailed by Dr Hartings

  • Polymer-10% Clay Film
    • 1.0012 g PVA and 0.1120 g sodium montmorillonite (~1g PVA and ~.1g NaM)
  • Polymer Film
    • 1.0077 g PVA (~1g)

Differential Scanning Calorimetry Measurements

  • Polymer-10% Clay Film in 2 ppm MG
    • Pan and lid mass: 0.05289 g
    • Film mass: 0.00406 g
  • Polymer-10% Clay Film in 8 ppm MG
    • Pan and lid mass: 0.05226 g
    • Film mass: 0.00549 g
  • Polymer-10% Clay Film in 80 ppm MG
    • Pan and lid mass: 0.05297 g
    • Film mass: 0.00338 g
  • Polymer-10% Clay Film in 200 ppm MG
    • Pan and lid mass: 0.05253 g
    • Film mass: 0.00346 g
  • Polymer Film in 2 ppm MG
    • Pan and lid mass: 0.05299 g
    • Film mass: 0.00388 g
  • Polymer Film in 8 ppm MG
    • Pan and lid mass: 0.05225 g
    • Film mass: 0.00349 g
  • Polymer Film in 80 ppm MG
    • Pan and lid mass: 0.04741 g
    • Film mass: 0.00393 g
  • Polymer Film in 200 ppm MG
    • Pan and lid mass: 0.05242 g
    • Film mass: 0.00349 g
  • Polymer-10% Clay Film
    • Pan and lid mass: 0.05261 g
    • Film mass: 0.00442 g
  • Polymer Film
    • Pan and lid mass: 0.05213 g
    • Film mass: 0.00471 g

<br.>

Differential Scanning Calorimetry Data

' PVA film in 2 ppm MG PVA film in 8 ppm MG PVA film in 80 ppm MG PVA film in 200 ppm MG
Onset of H2O evaporation 99.59 °C 100.91 °C 99.82 °C 99.77 °C
Heat of hydrate decomposition 830.4 J/g 1130 J/g 1458 J/g 938.2 J/g
Major peaks in H2O (minima) 101, 103, 134 °C 103.58, 107, 117, 120 °C 110, 117, 130 °C 125.54, 135, 106, 101 °C
Glass transition (avg, top) 68.99 °C 68.11 °C 68.17 °C 68.36 °C
Glass transition (avg, first bottom) - 68.94 °C 68.56 °C 69.15 °C
Glass transition (avg, second bottom) - 87.66 °C - -
' PVA-Clay film in 2 ppm MG PVA-Clay film in 8 ppm MG PVA-Clay film in 80 ppm MG PVA-Clay film in 200 ppm MG
Onset of H2O evaporation 100.51 °C 98.55 °C 100.76 °C 99.70 °C
Heat of hydrate decomposition 1276 J/g 865.9 J/g 1044 J/g 1138 J/g
Major peaks in H2O (minima) 107, 109, 11, 125 °C 101.19, 104, 130 °C 101, 105, 108 °C 108, 110, 131 °C
Glass transition (avg, top) 68.16 °C 68.59 °C 68.27 °C 68.54 °C
Glass transition (avg, bottom) 68.70 °C 69.02 °C 68.50 °C 67.97 °C

FTIR: Total Attenuated Reflectance Measurements




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