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Unformatted text preview: solvent because they have too low of boiling points. During the dissolving step of the recrystallization process, both solvents would have evaporated too quickly. In addition, chloroform can be a dangerous chemical if used improperly. In this lab we did not do part three; therefore our polarimetry studies did not yield any results. In any case, through the use of many techniques we have learned over the semester we were able to collect data about Aleve, and more importantly about its active ingredient naproxen. After purifying our naproxen, we were able to determine its melting range to be 154.9-155.2. We were also able to determine its polarity in relation to other chemicals using a TLC chromatography test. Using test like these is important in the study of chemicals and organic compounds....
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This note was uploaded on 09/18/2011 for the course CHEM 3AL taught by Professor Li during the Spring '08 term at University of California, Berkeley.
- Spring '08