Preparation of N‚N-Diethyl-m-toluamide (DEET) and its Identification by IR and NMR Spectroscopy Eim A. Chemist CHEM 304 July 10‚ 2005 INTRODUCTION N‚N-Diethyl-m-toluamide (DEET) is the active ingredient in many insect repellants.1 In this experiment‚ DEET will be prepared from m-toluic acid through the intermediate acid chloride and then identified by its IR and proton NMR spectra. The overall reaction is a series of two acyl substitutions and is shown in Scheme 1 below: [pic] Scheme
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ACQUISITION METHODS 4 A. Introduction and Motives for Mergers 4 1. Shareholder Protections: 4 2. Appraisal Rights 4 3. Efficient Markets and the Paradox of the Search for Bargains 4 B. Methods of Structuring Business Acquisitions 4 1. Tax & Accounting Issues 4 2. Corporate Deals 5 3. Deals with Shareholders 5 C. Formalities for Statutory Mergers 6 1. Mergers 6 2. Case: Schreiber v. Carney: 6 D. Formalities for Asset Acquisitions 6 1. Asset Purchases – Qualitative Approach & DGCL § 271 6 2. Case:
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Archana A. Bele et al. IRJP 2011‚ 2 (12)‚ 56-60 INTERNATIONAL RESEARCH JOURNAL OF PHARMACY Available online www.irjponline.com ISSN 2230 – 8407 Review Article STANDARDIZATION OF HERBAL DRUGS: AN OVERVIEW Archana A. Bele*‚ Anubha Khale H.K College of Pharmacy‚ Jogeshwari (W)‚ M.S.‚ India Article Received on: 19/10/11 Revised on: 22/11/11 Approved for publication: 13/12/11 *Email: scientific.cell@hkcollege.ac.in ABSTRACT Herbal drugs have been used since ancient times as medicines
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Preparation of Acetylsalicylic Acid Abstract Acetylsalicylic acid was prepared using salicylic acid and acetic anhydride. As a result‚ a white‚ powdery substance was formed (0.1931g‚ percent yield 91.30%) and was defined by melting point (124.5 – 134.5°C) and observation of color change with ferric chloride. Introduction Acetylsalicylic acid (aspirin) is one of the most popular analgesic drugs on the market today. It also acts as an antipyretic and anti-inflammatory drug. Salicylic acid itself
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Homework Zero 0. What do you hope to achieve in this course? I have taken economics courses in the past‚ but was never strong with the math equations. I am excited to improve this weakness of mine. 1. What skills do you bring to the classroom? To your fellow students? Although I was an economics major in undergrad‚ I took many computer classes and as a result am very proficient with computers. I can use these skills when working with classmates as well. 2. How will your classmates
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2.1 The 0-1 Knapsack Problem (KP) The Knapsack Problem is a combinatorial optimization problem‚ which search out a best solution from among many other feasible solutions. It is concerned with a fixed size knapsack that has positive integer capacity (or volume) V. There are n numbers of distinct items that may potentially be placed in the knapsack. Item i has a positive integer capacity(volume) Vi and integer benefit Bi. In addition‚ there are Qi quantity of item i available‚ where quantity Qi is
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Herbal supplements & their Standardization. Herbal supplements are a type of dietary supplement that contain herbs‚ either singly or in mixtures. An herb (also called a botanical) is a plant or plant part used for its scent‚ flavor‚ and/or therapeutic properties. A dietary supplement is a product taken by mouth that contains a "dietary ingredient" intended to supplement the diet. The "dietary ingredients" in these products may include: vitamins‚ minerals‚ herbs or other botanicals‚ amino acids
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AGRICULTURE AND TECHNOLOGY DEPT: CIVIL ENGINEERING UNIT: CHEMISTRY 1 (SCH 2109) PRACTICAL REPORT EXPT 2: Standardization and Determination of Concentration of Hydrochloric Acid in a Given Solution by ARAKA BRAMWEL MBOGO EN251-0221/2010 TITLE: STANDARDIZATION and DETERMINATION OF THE CONCENTRATION OF HYDROCHLORIC ACID PRESENT IN A GIVEN SOLUTION Aims: To be able to standardize Sodium Hydroxide (NaOH) solution using a standard solution of Oxalic acid. To be able to prepare standard
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Nowadays most of the industries are normally using standardization and customization for their business. The standardization can be defined as formulation‚ publication‚ implementation of guidelines‚ and rules for common and repeated use. It uniform the methods‚ technical‚ skills‚ processes and criteria to let the process of a work become easier and faster. However‚ customization is different compare with standardization. The definition of customization is process the work according the needs of an
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QUANTITATIVE RESEARCH METHODS WEEK 1 Date: 28 March 2015 Session Time: 14:00 Course Name: Quantitative Research Methods Meeting location: Meeting Room 3 Discussion subject(s): Summary Statistics T-test One-way ANOVA Contents Introduction 3 Introductory information 3 Summary Statistics 3 Basic Definitions 3 T-test 5 Independent samples t test 5 SPSS Steps 5 One-way ANOVA 6 SPSS Steps 6 Introduction This document focuses specifically on Block/Week 1. The following topics will be covered: Introductory
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