1.TITLE: To prepare isopentyl acetate (isoamyl acetate) 2. AIM: To make an ester referred to as banana oil from acetic acid and isopentyl alcohol 3.THEORY: This ester is often referred to as banana oil‚ since it has the familiar odor of this fruit O O CH3 H+ CH3 CH3C OH +
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Introduction ESTERS are compounds derived from the reaction of a organic acid with an alcohol. Acid + Phenol/alcohol --> ester + water R--C=O + R’--OH ----> R--C=O + H2O | | C-OH C-O-R’ Esters are the compounds that give fruits their characteristic flavours and odours. ie. methyl salycilate is "Oil of Wintergreen". http://www.petrik.com/PUBLIC/library/misc/glossary_of_org_chem.htm#ESTERS Aim To synthesise the ester 3-methylbutyl ethanoate( isopentyl acetate) and to identify the product
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Expt. BL 304 Kinetics of Alkaline Phosphatase Objective To study the kinetics of alkaline phosphatase. Procedure 1. Sodium carbonate - sodium bicarbonate buffer: Dissolve 20 ml of 0.2 M solution of sodium carbonate (2.12 gm in 100 ml distilled water) and 230 ml of 0.2 M sodium bicarbonate (4.12 gm in 250 ml distilled water) to make up the volume 250 ml with pH 9 -9.2 2. 5 N sodium hydroxide solution (10 gm in 50 ml distilled water) 3. Substrate stock solution: Dissolve 0.1 gm of p-nitrophynyl
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detoxifynow.com • Alkaline Water | FIR Sauna | Shower Filters | Colema Boards | Detox Programs | Mind Detox • Massage Therapies | Detox Diet | Reverse Aging | JP107 Water Ionizer | About Us | HOME |What is Ionized Alkaline Water? | |How is Alkaline Water produced?
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SYNTHESIS OF ESTERS USING GREEN AND NON-GREEN CHEMISTRY Abstract Esters are a class of organic compounds with the general formula RCOOR’. Ester also contributes the flavor and aromas in fruits and flowers. The esterification reactions will use in the procedure‚ which are the interaction of a carboxylic acid with an alcohol‚ aided by an inorganic acid catalyst (H2SO4). Moreover‚ the green method will not use any catalyst but using heating source instead (microwave). Based on the comparison of
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INTRODUCING ESTERS This page explains what esters are and looks at their simple physical properties such as solubility and boiling points. It includes an introduction to more complicated naturally-occurring esters like animal and vegetable fats and oils. What are esters? Esters are derived from carboxylic acids. A carboxylic acid contains the -COOH group‚ and in an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind. This could be an alkyl group like methyl
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Aim : To prepare an ester using reflux Hypothesis : The equation was written out for the reaction and pentyl ethanoate was predicted as being the ester that would be formed. Equipment * 10 ml pentanol | * condenser | * 10 ml glacial acetic acid | * Heating Mantel | * 1 ml conc. Sulfuric acid | * Funnel | * 50 ml flask | * 15ml 1molL-1 Na2CO3 | * Boiling chips | * Seperating Funnel | * Retort Stand | * Safety Glasses | Method 1. 10 ml of Pentanol
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Shazeda Patel 100202795 Karen Budra English 1127 April 1‚ 2013 Ester Lucero Mango “From the time I was very young‚ as long as I could remember‚ I have felt the world is magic‚ that there are two realities: one that is palpable… and the other one‚ the night reality of secrets… a lunar reality”- Isabel Allende (14 De Zapata). Isabel Allende is a Chilean woman who was raised in various locations around the world. Since her father left her when she was a child she lived with her mothers
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to accept and unshared pair of electrons from a base. An alkaline is a chemical compound that neutralizes or effervesces with acids and turns litmus blue; it’s a corrosive substance. Two similarities between acid and alkaline is that they are sour and they each changes litmus paper into another color than it was originally was. The differences between an acid and an alkaline are that acids have a Ph scale of any numbers below 7 and alkaline is from any numbers that is 7 or greater. I have searched
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of reaction of Alkali metals and Alkaline Earth meatals are compared in this lab. The pH of each of the resulting metal solutions are tested and the products of the reaction between calcium and water is discovered. The tested elements are sodium‚ lithium‚ potassium and calcium and each of them were placed in a beaker filled with water. The resulting solutions pH levels were tested with litmus paper. There were more steps for caclium because it is the only Alkaline Earth metal. For calcium‚ the gas
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