Experiment 3: The preparation of acetaminophen (paracetamol) with thin layer chromatography (TLC) to monitor the reaction. Abstract: This experiment is to demonstrate the preparation of paracetamol and its properties. Reflux and filtration of 4-aminophenol and acetic anhydride formed the crude sample. Further analysis of dry white crystals were used to give quantitative measurements and a percentage yield of 46% was obtained. The overall conclusion is that the acetic anhydride reacted with the
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Representation of Partition of India in Sunlight on a Broken Column‚ Ice-Candy Man‚ and 1947 Earth. Partition of India‚ which is almost overlooked in traditional historiography with India’s Independence and Birth of Pakistan‚ led to one of the largest and bloodiest migrations in the history of the world. Sunlight on a Broken Column‚ Ice-Candy Man and 1947 Earth are all set in the same time span and portray Partition in quite different ways. Different as in not only different from each other
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Abstract on Determining the Photosynthetic Activity in Plants Using Different Wavelengths of Light using Chromatography and a Spectrophotometer In this experiment‚ the separation of particular pigments‚ contained within a fresh spinach leaf‚ were examined. Paper chromatography is the process of separating certain molecules‚ or pigment molecules‚ based upon their polarity. Four different pigments were examined from the spinach leaf: chlorophyll a‚ chlorophyll b‚ xanthophyll‚ and carotene. Based
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CHROMATOGRAPHY LAB Name ______________________ Date ________________ Lab # ________ Partner _____________________ Purpose: To separate a mixture into its components. To learn the technique of chromatography. Materials: filter paper 2.0 ml of vinegar Felt marker pens ruler 400 ml beaker pencil 10 ml graduated cylinder paper clip Water - H2O Safety: Wear goggles and apron during the entire lab. Clean up all materials
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Composition of Datura alba Seed Oil by Gas Chromatography Mass Spectrometry Muhammad Nasimullah Qureshi‚* Muhammad Siddique‚ Inayat-ur-Rahman and Farina Kanwal Medicinal Botanic Centre‚ PCSIR Laboratories Complex Peshawar‚ Pakistan Received July 9‚ 2010; Accepted November 23‚ 2010; Published Online December 14‚ 2010 Methyl ester derivatives of fatty acids were analyzed for the determination of the constituents of Datura seed oil. Gas chromatography coupled to mass spectrometer was used for these
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PRE LAB REPORT Reynaldo Riboul TLC and Column Chromatography October 6‚ 2013 Table of Chemicals: Chemical Hazards Mol. Wt. Density Grams Moles Acetone Flammable‚ Irritant 58.08 g mol−1 0.791 g cm−3 2.0 g 0.0344 Hexane Flammable‚ Irritant‚ Dangerous to Environment 86.18 g mol−1 .6548 g mL−1 9.0 g 0.1044 Fluorene Very toxic to aquatic life with long lasting effects 166.223 g/mol 1.202 g/mL 0.3 g 0.00180 Fluorenone Irritant 180.20 g mol−1 1.13 g/cm3 0.3 g 0.00166
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A FINITE ELEMENT ANALYSIS MODEL FOR THE BEHAVIOUR OF COLD-FORMED STEEL CHANNEL COLUMNS UNDER AXIAL THRUST Bachelor of Engineering (Hons) Civil UNIVERSITI TEKNOLOGI MARA 2010 A FINITE ELEMENT ANALYSIS MODEL FOR THE BEHAVIOUR OF COLD-FORMED STEEL CHANNEL COLUMNS UNDER AXIAL THRUST This report is submitted as a requirement for the degree of Bachelor of Engineering (Hons) Civil UNIVERSITI TEKNOLOGI MARA MARCH 2010 DECLARATION BY THE CANDIDATE I (Mastura Binti Rafek‚ 2007121693) confirm
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In the excerpt‚ Claude Perrault begins mundanely by recalling the Ancients’ belief in that the utilization of proportioning systems based on the human body would give aesthetic qualities and beauty to a building. Without a doubt‚ this topic of beauty‚ which resides from mathematical proportions‚ is readily discussed both visually and verbally through examples in all history and theory of architecture classes including Buildings‚ Texts and Contexts. However‚ what makes the text compelling to me is
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and heterogeneous catalysed‚ irreversible and reversible reactions‚ covering large ranges of reactions‚ notably hydrogenations‚ hydrodesulfurisation‚ esterifications and etherification. Various commercial methods for packing heterogeneous catalyst in columns are now available. The systems comprise amongst others: multiple catalyst systems‚ gas and liquid internal recycle traffic over these catalyst systems‚ separation‚ mass flow‚ and enthalpy exchange. These are
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primary key columns (ClassId in the Classes table‚ AdvisorId in the Advisors table and StudentId in the Students table) are not listed. It is assumed that they will be “Identity” or “Auto-increment” columns and the DBMS will determine the proper identity value when the row is inserted. You may have to either modify your original data types for some of your table columns or modify the values below to fit your data types. For example‚ if you defined your gender column to be a 1-character column‚ you will
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