Lecture Lab GF - Synthesis of AcetylFerrocene Column...

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Synthesis of AcetylFerrocene March 13, 2009 Column Chromatography
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Experimental Section (Caffeine Results sheet) Allows someone to repeat the experiment/evaluate the procedure that you used Does NOT contain details that are specific to your set up (variac settings, time started) or that are understood by organic chemists (how to dry a solution with MgSO 4 )
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Is written in the past passive tense After cooling, the reaction was filtered and the crystals were washed with water (5 mL) and dried to yield…. NOT: Cool the reaction, filter it and wash the crystals with 5 mL of water NOT : We filtered the reaction and washed the crystals with water. DOES contain the amounts (mass, moles) of every reagent used. These should be in parenthesis behind the name of the compound Salicylic acid (1.0 g, 7.2 mmol), acetic anhydride (2.0 ml, 2.16 grams, 21 mmol) and phosphoric acid (5 drop) were combined. After 10 minutes the mixture was heated to 50ºC and allowed to react for an additional 10 minutes. The mixture was cooled in ice and then scratched to create a paste. Ice water (20 mL) was added to the reaction. NOT: 1.0 gram of salicylic acid, 2.0 mL of acetic anhydride and 5 drops of phosphoric acid were combined in a 50 mL Erlenmeyer flask. (Note: For natural product isolation experiments, you will not have mmoles and equivalents)
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Does give information on the yield and the product obtained. Note: This is one major way in which the experimental section in a chemistry paper varies from the materials and methods section.
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