User:Moira M. Esson/Notebook/CHEM-581/2013/04/10: Difference between revisions
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*After they were placed in the freezer, frost appear to cover the films and they appeared to shrink in comparison to the hydrogels which expanded upon freezing | *After they were placed in the freezer, frost appear to cover the films and they appeared to shrink in comparison to the hydrogels which expanded upon freezing | ||
<br> | <br> | ||
==Pressure Testing== | |||
*The unmodified pipette pressure testing obtained on [[User:Moira_M._Esson/Notebook/CHEM-581/2013/04/05|2013/04/05]] | |||
<br> | |||
==DSC Analysis== | |||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Sample Name''' | |||
| align="center" style="background:#f0f0f0;"|'''Sample Mass (mg)''' | |||
| align="center" style="background:#f0f0f0;"|'''Pan / Lid Mass (mg)''' | |||
|- | |||
| PVOH 130K||3.01||50.15 | |||
|- | |||
| PVOH 146K||3.14||49.98 | |||
|- | |||
| 50:50 PVOH 130K NaMT||3.03||49.87 | |||
|- | |||
| 50:50 PVOH 130K Laponite||2.86||49.94 | |||
|- | |||
| 90:10 PVOH 130K 50% CEC NaMT w/ Bu<sub>3</sub>HdP<sup>+</sup>||2.89||50.30 | |||
|- | |||
| 50:50 PVOH 130K 110% CEC NaMT w/ DMHXLBR||3.13||50.55 | |||
|- | |||
| 50:50 PVOH 130K 110% CEC Laponite w/ DMHXLBR||3.17||49.64 | |||
|- | |||
| 90:10 PVOH 130K 110% CEC Laponite w/ DMHXLBR||2.89||49.48 | |||
|- | |||
| 50:50 PVOH 130K 50% CEC NaMT w/ Bu<sub>3</sub>HdP<sup>+</sup>||3.04||49.95 | |||
|} | |||
* Specific DSC parameters and protocols set to analyze dry clay samples included the following: | |||
# Equilibrate sample at ~ -40°C | |||
# Ramp sample temperature up from 20-240°C | |||
# Ramp sample temperature down from 20-(-40°C) | |||
# Repeat segment #2 again | |||
==Notes== | ==Notes== | ||
* As expected, for many of the microsphere placed in the DSC instrument, oil highly affected the analysis of each microsphere sample prepared. Although it was anticipated that a large oil contamination peak would appear, almost all of the microsphere samples only contained two data sample points. DSC will be run again in order to test whether DSC will be able to be used. | * As expected, for many of the microsphere placed in the DSC instrument, oil highly affected the analysis of each microsphere sample prepared. Although it was anticipated that a large oil contamination peak would appear, almost all of the microsphere samples only contained two data sample points. DSC will be run again in order to test whether DSC will be able to be used. |
Revision as of 07:38, 15 April 2013
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Objectives
Film Preparation
Pressure Testing
DSC Analysis
# Equilibrate sample at ~ -40°C # Ramp sample temperature up from 20-240°C # Ramp sample temperature down from 20-(-40°C) # Repeat segment #2 again Notes
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