Purpose 1. To prepare a dry-packed sample of product mixture of ferrocene and Acetylferrocene 2. To separate and purify the components in the product mixture by column chromatography. 3. To check the purity of the components by thin-layer chromatography (TLC). 4. To calculate the yield of acetylferrocene and the percent recovery of unreacted ferrocene. Table of Quantity showing various physical properties Type of substance Molecular Formula Molecular Weight (g/mol) Density(g/cm3) M.P
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Jessica Zebracki Organic Chem II Lab 2/15/15 Friedel-Crafts Acylation of Ferrocene and Column Chromatography Introduction: The intention of this lab is to analyze the formation of acetylferrocene using column chromatography. The Friedel-Crafts acylation reaction created acetylferrocene and diacetylferrocene‚ using phosphoric acid as a catalyst for the reaction between acetic anhydride and ferrocene (once applying heat). During column chromatography‚ a solution is passed through a filtration system
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Ferrocene and Acetylferrocene will be separated using column chromatography. Column chromatography is a separation technique that is used among many disciplines including biology‚ biochemistry‚ microbiology and medicine. Many common antibiotics are purified by column chromatography.1 Column chromatography allows us to separate and collect individual compounds. In this experiment‚ lumen will be the stationary phase‚ and the more polar substance will be retained on the stationary phase longer
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Separating Ferrocene and Acetylferrocene by Adsorption Chromatography Separating Ferrocene and Acetylferrocene by Adsorption Chromatography Dry Pack Method Leah Monroe February 27‚ 2003 Organic Chemistry Lab II Experiment performed on February 18 and 20‚ 2003 Abstract: Adsorption column chromatography is one way to separate compounds out of a mixture. In this technique‚ a solid stationary phase called the adsorbent is packed in a glass column and an eluent‚ which is the mobile phase‚ moves
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lab‚ a company can synthesize new types of materials or composites that could revolutionize an industry. Background When we react the ferrocene with phosphoric acid and acetic anhydride‚ we obtain many disparate products. Not only do we get acetylferrocene‚ but we also get diacetylferrocene‚ some unreacted ferrocene reactant‚ and acetic acid as well. We will use thin layer chromatography (TLC)‚ column chromatography (CG)‚ and IR spectra analysis in order to determine the what proportions of each
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COLUMN AND THIN LAYER CHROMATOGRAPHY Group 9 RAMOS‚ Sharina Joy; REYES Aina Marie; REYES Jallisa Maan; RUBIO‚ John Michael; SABINO Patricia Anne; SANTOS‚ Carlos Rafael ABSTRACT To separate the colored components of siling labuyo and to determine the purity of the components‚ the students performed a column and thin or solid-liquid chromatography procedure. The solid may be almost any material that does not dissolve in liquid phase. But for this experiment‚ the solid used by the students was
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THE FRIEDEL-CRAFTS REACTION: ACETYLATION OF FERROCENE Ferrocene was acetylated in acetic anhydride and phosphoric acid. It proceeded via a Friedel-Crafts reaction without the use of organic solvents or strong Lewis acid. Operations and Observations A mixture of ferrocene (1.5 g‚ 0.008 mol)‚ acetic anhydride (5 mL) and phosphoric acid (1 mL 85%) was heated over a steam bath until all the ferrocene dissolved and the mixture darkened from orange to dark red. The mixture was then refluxed with
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Chromatography • • • Separation based on polarity of compounds Two potential phases for a compound to exist in: mobile and stationary Partitioning of compounds between mobile phase and stationary phase occurs: o Compounds that are less polar move more in the mobile phase‚ those that are more polar “stick” more on the stationary phase o These polarity differences cause compounds move at different rates and therefore can be separated 1. Mobile Phase: the phase the moves; can be gas or
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com/lit/450x13073x003.pdf (accessed Feb 20‚ 2012). Indiana University–Purdue University Fort Wayne. Column Chromotography. http://www.ipfw.edu/chem/266/266n006.htm (accessed March 2‚ 2012). Portland Community College. Dr. Gbackes Organic Chemistry: Synthesis of Acetylferrocene files.http://spot.pcc.edu/~gbackes/ORGANIC/CH%20242/Labs.CH242.W05/Synthesis.of.Acetylferrocene_files/image002.jpg (accessed March 2‚ 2012)
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