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 Experimental Chemistry
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Objective
To remake the glutaraldehyde films containing clay, to make a film with porphyrin, to measure sodium ion content using an ion selective electrode, and to conduct AA.
Description
Making Glutaraldehyde Films
- 4 films were made - (1)PVOH/glutaraldehyde, (2)PVOH/Na-MT/glutaraldehyde, (3)PVOH/100% CEC Clay/glutaraldehyde, and (4)PVOH/porphyrin/glutaraldehyde
- Film 1 was made by dissolving 1 g PVOH in 7 mL of water. Once all the PVOH had dissolved, 1 mL of glutaraldehyde was added. The solution was stirred for 5 minutes and then was poured into a dish and allowed to evaporate until Wednesday.
- Actual amount of PVOH = 1.0059 g
- Film 2 was made by dissolving 1 g PVOH and 0.1 g Na-MT in 7 mL of water. Once they had dissolved, 1 mL of glutaraldehyde was added. The solution was allowed to mix for 5 minuntes and then was poured into a dish and allowed to evaporate until Wednesday.
- Actual amount of PVOH = 1.0021 g, actual amount of Na-MT = 0.1016 g
- Film 3 was made by dissolving 1 g PVOH and 0.1 g 100% CEC clay in 7 mL of water. Once they had dissolved, 1 mL of glutaraldehyde was added. The solution was allowed to stir for 5 minuntes and then was poured into a dish and allowed to evaporate until Wednesday.
- Actual amount of PVOH added = 1.0014 g, actual amount of 100% CEC clay = 0.1004 g.
- Film 4 was made by dissolving 1 g PVOH in 7 mL of water. Once it dissolved, 1 mL of glutaraldehyde and 1 mL of porphyrin was added. The solution was allowed to mix for 5 minutes and then was poured into a dish and allowed to evaporate until Wednesday.
Determining the Sodium Ion Content
- The sodium ion content of the filtrates collected on
- An 0.1 mL of ionic strength adjuster (4M solution containing NaOH) was added to a 3 mL of each solution to be tested, so that the pH of each solution would fall in the range of pH = 8 to 10.
Data
- Add data and results here...
Notes
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Experimental Chemistry
