51LA Exp2 F10 - EXPERIMENT #2 Recrystallization of...

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51LA 1 Rev 9/25/10 EXPERIMENT #2 Recrystallization of Salicylic Acid and Bromoacetanilide Tuesday, October 5 – Monday, October 11, 2010 Technique: Recrystallization Category: Purification Recrystallization is one of the major techniques for purifying solid organic compounds. A pure organic compound is one in which there are no detectable impurities. By completing Experiment #1, you will master the technique starting with two compounds that are structurally different. Reading Assignment for Exp #2: Read Technique 15 (Technique 9 in 2 nd Ed): Recrystallization in Techniques In Organic Chemistry o 3 rd Ed: pgs 183-197, skip 15.4 and 15.5 o 2 nd Ed: pgs 100-116, skip 9.5, 9.6, and 9.7b Read the Safety document on the course website. Read the Keep Our Lab Clean document on the course website. For more information on polarity, see Ch1 of your 51A textbook. Pre-Lab Questions: 1. During a recrystallization experiment, a student places the hot solution directly into an ice bath. Is the student using correct recrystallization
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This note was uploaded on 11/23/2010 for the course CHEMISTRY Chem 51 LA taught by Professor Dr.reneelink during the Spring '10 term at UC Irvine.

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51LA Exp2 F10 - EXPERIMENT #2 Recrystallization of...

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