CHEM 581: Experimental Chemistry
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October 17, 2014
Procedures
Make Exchanged Clay Films
- THP Bromide Exchanged Clay:
- Add 7mL of water to ~1.0 g PVA and ~0.11 g of THPB exchanged NaMT in a glass vial
- Stir the solution with constant heating at 75C until the polymer is dissolved and the clay is dispersed (~15 minutes)
- Cool the solution to room temperature
- Add 0.5mL 0.8 wt% glutaraldehyde.
- Stir for an additional 3 minutes to ensure homogeneity
- Pour solution into a teflon dish to dry until the next class
- Choline Chloride Exchanged Clay:
- Add 7mL of water to ~1.0 g PVA and ~0.11 g of CC exchanged NaMT in a glass vial
- See above
Finish Films Started 10/15
Start New Films
- PVA-Clay film
- 1.0046 g PVA and 0.1113 g of NaMT
- PVA film
Measuring Films for Density Determinations
Film
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Initial Mass
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Dried Mass
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PVA film |
0.0278g |
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0.0255g |
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0.0265g |
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PVA-Clay film |
0.0122g |
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0.0177g |
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0.0307g |
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Data
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