Lab 2 - M. Farrell Matt Farrell September 26, 2006 Lab 2:...

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M. Farrell Matt Farrell September 26, 2006 Lab 2: Extraction Purpose: The purpose of this lab is to separate a combination of neutral and acidic compounds. The acidic compounds that could be found are p-Toluic acid, Benzoic acid. The neutral compounds that could be found are Benzil and Fluorenon. To determine what unknown is given a Melt-Temp machine will be used. Background: Extractions are used to separate two liquids typically. To do this, one must bring a substance in contact with a solvent that will dissolve a desired material. The ratio of solubilities of liquids is called the distribution coefficient. When performing an extraction lab usually three extractions with one back wash is sufficient. A separatory funnel is necessary to carry out the lab efficiently. Separatory funnel: Pre-Lab Data: p-Toluic acid melting point = 180 o C. Page 1 of 4
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M. Farrell Benzoic acid = 122 o C. Benzil = 95 o C. Fluorenon = 81.85
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This note was uploaded on 04/15/2008 for the course CHEM 333 taught by Professor Koh during the Fall '06 term at University of Delaware.

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Lab 2 - M. Farrell Matt Farrell September 26, 2006 Lab 2:...

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