We're in the final stretch ladies and gentlemen. I can't believe I've made it this far.
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| An example of the UV-Vis readings |
So Monday was running test after test after test in class. Doctor Sutton wants us to write a report as our 'final' for the class and thus we had to take today and yesterday in order to run final tests and do readings for the report. We are preparing to process the data tomorrow. I've probably run the UV-Vis a minimum of 20 times in the passed two days, to be quite honest, but at least we're getting somewhere!
We noticed a strange trend with our nanoparticles. Our first frozen batch made beautiful red particles, and it had been frozen for 15 hours. However, when we had a solution frozen for almost 40 hours it only stayed in solution for 12-18 hours before crashing out into a clear solution with black precipitate. It was so strange and we had to test a few more times. We found out that the solution is very sensitive to the amount of time it's in the freeze.
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| An example of the freezing time effect comparing 1 hour (left) to 3 hours* (right) of freezing |
Also- Tonight was the second and last proctor group night. We ate pizza and we watched the Lizzie McGuire Movie and Mulan while we made friendship bracelets. It was great to just joke about the films and how they were not "VSA appropriate" and throw pillows at each other. In such a short amount of time I have come to love my proctor group and my proctor and just be able to let loose around them.
I'm going to miss them so much.
*Side note- we marked the vial for 2 hours but left it in for 3 hours
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