Lab Report: Colorimetric Analysis of Commercial Aspirin

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A bath was prepared using a 400 mL beaker filled halfway with water. The bath was then sat on a hot plate and lest to boil. 2g of salicylic acid was placed in a 125 mL Erlenmeyer flask with 3 mL of acetic anhydride, and 3 drops of concentrated sulfuric acid. The solutions were mixed and placed in the boiling water bath. The solution was left in the boiling bath for 30 minutes. The 125 mL Erlenmeyer flask was removed and placed on the side to cool to room temperature. Once cooled the solution was placed into a 150 mL Beaker that was filled with 20 mL of ice water. As the beaker was placed in the ice bath, it was simultaneously scraped with a glass rod until crystals formed at the bottom of the beaker. The crystal solution was poured into a Buchner
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