Synthesis The old acetate department located in an old four storey building follows a workflow that is heavily based on shifts/rotations because production is based on a per batch basis. A typical shift‚ the group leader and his crew would complete two or three batches. The night shift usually has lesser work because no deliveries were made. In the new system‚ the management wants to improve productivity. The department was redesigned from batches to continuous processing. Technical changes
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Contents Page Design Situation……………………………………………………………………………………………………………………2 Design Brief…….……………………………………………………………………………………………………………………2 Limitations……………………………………………………………………………………………………………………………3 Design Specification…………………………………………………………………………………………………………..4‚5 Existing Products……………………………………………………………………………………………………………….6‚7 Justification of Existing Products.………………………………………………………………………………………….8 3 Design Ideas………………………………………………………………………………………………………………………9 Design No.1……………………………….……………………………………………………………………………………9
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Preparing Isopentyl Acetate by the Fischer Esterification Preparing Isopentyl Acetate by the Fischer Esterification Leah Monroe May 8‚ 2003 Organic Chemistry Lab II Experiment performed on April 29 and May 1‚ 2003 Abstract: The purpose of this experiment was to synthesize isopentyl acetate via an esterification reaction between acetic acid and isopentyl alcohol‚ using concentrated sulfuric acid as a catalyst. The product was washed with sodium hydrogen carbonate‚ as well as with water
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Undoped and Ce doped ZnO thin films were prepared by the sol-gel process. Zinc acetate dehydrate was dissolved in a mixture of absolute ethanol and monoethanolamine (MEA) yielding to a precursor concentration of 0.4 M .The MEA to zinc acetate molar ratio was set to 1. For doped films‚ cerium nitrate was added to the mixture with an atomic percentage fixed at 0.1‚ 0.3‚ 0.5‚ 0.7‚ and 0.9 at.% Ce‚ respectively. The resulting sols were magnetically stirred at 60°C for 1 hour and then aged at room temperature
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compound) for glucose and sodium acetate. (5 marks) C6H12O6 + 6O2 6CO2 + 6H2O The no. of mole of glucose = 1/(12x6 +12x 1+6x16)=5.56x10-3mole The ratio of glucose and oxygen is 1:6 The no. of mole of oxygen= 5.56x10-3 x 6 = 0.033mole Therefore‚ the theoretical oxygen demands for glucose =0.033 x (16x2) =1.067 g oxygen/g glucose CH3COONa + 2O2 2CO2 + H2O The no. of mole of sodium acetate =1/(12x2 + 16x2 + 3x1 +23)=0.012mole The ratio of sodium acetate and oxygen is 1:2 The no.
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of 0.5 M NaOH to raise pH by 2 units (mL) | | | Volume of 0.5 M HCl to lower pH by 2 units (mL) | | | Volume of 0.5 M NaOH at equivalence point (mL) | | | Data Analysis 1. Write reaction equations to explain how your acetic acid-acetate buffer reacts with an acid and reacts with a base. 2. Buffer capacity has a rather loose definition‚ yet it is an important property of buffers. A commonly seen definition of buffer capacity is: “The amount of H+ or OH– that can be neutralized
Free PH Acid dissociation constant Acetic acid
INDEX S. No. | Title | 1. | Introduction | 2. | Company Background | 3. | Product (Description and Cost Analysis) | 4. | Statistics | 5. | Focus Groups | 6. | Strengths and Weaknesses | 7. | Recommendations | 8. | Conclusion | 9. | References | INTRODUCTION * Written By:- William A. Preshing Denise Walters. * Organization:- Tanner Company. * Product:- THERM-EZE. * Primary Focus:- Segmentation‚ Targeting‚ Positioning. * Secondary Focus:-
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harmful effects will occur to the consumer if take or used in flavorings of food. Exercises: 1. A.) Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium‚ based on the quantities of the starting materials you used and a value of 4.2 for the equilibrium constant. B.) Estimate the mass of isopentyl acetate that was lost 1) during the distillation. Assume the ester’s solubility in aqueous NaHCO3 is about the
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(it can self-ignite). • Cellulose acetates were developed to replace nitrate. Cellulose triacetate‚ called safety base‚ is much safer to use and store than nitrate. Most current KODAK and EASTMAN Motion Picture Films are coated on a cellulose triacetate base. • Polyester base is used for all print films‚ most duplicating films‚ and some specialty films. Polyester is stronger and wears better than triacetate. Polyester’s storage life is up to ten times that of acetate.
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VIAL W/ MAGNETIC SPIN VANE AND AIR CONDENSER Dissolve 150 mg (1.10 mmol) of sodium acetate trihydrate in 0.5 mL of distilled water in a 10 X 17-mm test tube. Cap the tube and set the solution aside for use in the next step. Add‚ with stirring‚ 150 µL of acetic anhydride to the solution of aniline hydrochloride‚ followed quickly by addition (Pasteur pipet) of the previously prepared solution of sodium acetate. Stir to thoroughly mix the reagents (~5 min.). You should see the formation of a white
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