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 of silica‚ sand‚ and
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INTRODUCTION From the very beginning of cultivation Betel leaf is cultivated in Bangladesh. As a tradition of regular habit a large number of people chew betel leaf. As the daily life of people betel leaf and betel nut have possessed a special place in our literature‚ song‚ society and culture. Betel leaf is the courier of social harmony. It is in conceivable to have any social function without serving particularly in rural Bangladesh where 80% of the population lives. It is also consumed
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Research Question: Does the Leaf Mining Fly (Phytoliriomyza jacarandae) have an effect on a single species of tree that is indigenous to South Africa or does it only affect the alien invasive Jacaranda tree (Jacaranda mimosifolia) Hypothesis: It is expected that the Leaf Mining Fly (Phytoliriomyza jacarandae) has an effect on at least one species of tree indigenous to South Africa. Aim: To determine whether the Leaf Mining Fly (Phytoliriomyza jacarandae) has an effect on any single species of tree
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tested for by a possible employer include Cocaine (crack)‚ Amphetamines (crystal)‚ Opiates (codeine‚ morphine‚ heroin)‚ PCP (phencyclidine)‚ and Marijuana. Gas chromatography/mass spectrometry is used to test hair and urine samples of possible drug abusers or job applicants‚ and it is the best method for the testing of drug use. Gas chromatography and mass spectrometry are two different methods for identifying chemical substances‚ and the two instruments have be coupled together to perform a highly complementary
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Individual Assignment of International Marketing: * Executive Summary: The Coffee Bean and Tea Leaf is one of the trading companies of the largest coffee and tea in the world. We have over 850 stores in 23 countries. We always aim was to create the kind of the best coffee and tea to offer to consumers. We are proud to have raw materials are grown and processed according to the most stringent standards. Besides‚ we always have a team of managers and staffs are trained all the
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Maple leaf Foods (MLF) company is based in Toronto‚ Canada with Operation across Canada and in United States‚ United Kingdom‚ Asia and Mexico. Maple Leaf Brand appeared more then 100 years. In 1990‚ Maple Leaf Mills Limited and Canada Packers Inc. merged to form Maple Leaf Foods. In 1995‚ McCain Capital Corporation and the Ontario Teachers’ Pension Plan Board acquired controlling interest in the company Louann Hulsoman‚ a senior manger at Maple Leaf Food’s‚ had asked
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student-generated questions. Over the years‚ I have found the floating leaf disk assay technique to be reliable and understandable to students. Once the students are familiar with the technique they can readily design experiments to answer their own questions about photosynthesis. The biology behind the prodedure: Leaf disks float‚ normally. When the air spaces are infiltrated with solution the overall density of the leaf disk increases and the disk sinks. The infiltration solution includes
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ADMS 4900 GROUP PROJECT REPORT "MAPLE LEAF CONSUMER FOODS - FIXING HOT DOGS (A)" BACKGROUND INFORMATION Maple Leaf Foods (MLF)‚ a result of many mergers and amalgamations‚ has been in Canada for over 100 years. Its operations focus on three core areas: meat products‚ agribusiness and bakery products. The meat product group is the largest‚ with sales to about $2.5 billion in 2000. Each business is made up of independent operating companies (IOCs)‚ with each IOC run by a president and encouraged
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American Journal of Agricultural and Biological Sciences 3 (2): 502-510‚ 2008 ISSN 1557-4989 © 2008 Science Publications Processing of Aloe Vera Leaf Gel: A Review C.T. Ramachandra and P. Srinivasa Rao Department of Agricultural and Food Engineering‚ Indian Institute of Technology‚ Kharagpur-721302‚ India Abstract: Proper scientific investigations on Aloe vera have gained more attention over the last decade due to its reputable‚ medicinal‚ pharmaceutical and food properties. Some publications
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¡§The Last Leaf¡¨ by O. Henry and ¡§The Yellow Wallpaper¡¨ by Charlotte Perkins Gilman are essentially two very different pieces of writing when looked at from a perspective on story style. However‚ that is not the aspect we are focusing on. In terms of both stories¡¦ theme and characterization method‚ the themes are actually quite similar with some differences but the characterization process is very different‚ except for the antagonists. In the following paragraphs‚ here are the main points and
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