condensation of butyl cyanoacetate and corresponding aldehyde led to the forming Butyl 2-Cyano-(3‚5 dichloro-phenyl)-2-propenoate. The analyses that were used to prove its composition and structure include; IR spectroscopy‚ thin layer chromatography (TLC)‚ and CHN analysis. A radical copolymerization reaction was conducted‚ with the initiation by radical initiator 1‚1’-azobiscyclohexanecarbonitrile. CHN analysis‚ IR spectroscopy‚ and Proton NMR analysis were used to prove its composition and structure
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content of crude caffeine for every 3 servings of this tea. The major components of tea leaves are polyphenols‚ flavonoids‚ catechins‚ tannins‚ theanine‚ theobromine‚ and theopylline. According to the Journal of Chinese Medicine‚ tannins are astringent‚ bitter-tasting plant polyphenols that bind and precipitate proteins. Catechins belong to the flavan-3-ol class of flavonoids‚ tannins which are polyphenolic substances. The four main catechins found in tea are: Gallocatechin (GC)‚ Epigallocatechin
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CHM456 ORGANIC CHEMISTRY 1 LABORATORY Contact hours: 3 hours/week Laboratory textbook: Pavia‚ Lampman‚ Kriz and Engel‚ Introduction to Organic Laboratoy Techniques 3rd Edition (2011) ** Students MUST obtain a copy of the textbook Synopsis This is an organic chemistry practical course which reinforce the theory and concepts studied in Organic Chemistry 1 (CHM456). It covers the learning of simple laboratory techniques such as reflux‚ distillation‚ extraction‚ crystallization and melting point
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Extraction of Caffeine from Tea Leaves Introduction Caffeine is soluble in boiling water and as a result it is easily extracted from tea bags by steeping in hot water. This process leaves behind the water insoluble portions of the tea bag. However‚ water extracts more than just caffeine‚ so a final separation is done with an organic solvent that will dissolve primarily caffeine. The organic solvent used in this experiment is Dichloromethane (CH₂Cl₂). Dichloromethane is less polar than water
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mothers cocker spaniel‚ China. While reading this I made a personal connection to Jaycee because I have a cocker spaniel of my own. In preparation of the birth of her first child‚ Jaycee watched many baby TV programs on TLC. Again‚ I was able to make a personal connection here because TLC is one of my favourite channels on TV where I watched many of the same baby and new mom programs that Jaycee watched when I was little. Lastly‚ I was able to make another personal connection to Jaycee’s favourite authors
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“committed to maximizing long term shareholder value while supporting management in the business and operations of the company‚ observing the highest ethical standards and adhering to the laws of the jurisdictions within which the company operates” (Homer TLC INC‚ 2010). The Home Depot transformed the “home improvement industry” by providing a well round reputation for products‚ corporate governance and strong values within the community. The purpose of The Home Depot remains to build relationships‚ have
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FLASH)‚ GC‚ TLC‚ SFC‚ Others (Autosamplers‚ Detectors‚ Fraction collectors)]‚ By Consumables (Reverse phase columns‚ Syringe filters‚ Vials) & Industry - Global Forecast to 2018"‚analyzes and studies the major market drivers‚ restraints‚ opportunities‚ and challenges in North America‚ Europe‚ Asia‚ and Rest of the World. Browse 123 market data tables and 49 figures spread through 407 pages and in-depth TOC on Chromatography Instrumentation Market by Systems [LC (HPLC‚ UHPLC‚ FLASH)‚ GC‚ TLC‚ SFC‚ Others
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GUIDELINES FOR THE Practical Book Review By [Your Name] Student ID: [type ID w/out brackets] Presented to [Dr. Professor’s Name] In partial fulfillment of the requirements of Introduction to Pastoral Counseling PACO 500 Liberty Baptist Theological Seminary Lynchburg‚ VA [Date] PRACTICAL BOOK REVIEW [ONE]: [AUTHOR’S LAST NAME] My Summation Communication is a tremendously important part of the human experience. Any effort to improve one’s skills is valuable. Most people
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Question1. What is meant by GMP? Give a brief account on historical background of GMP. Answer: GMP is defined as Good Manufacturing Practices are practices and the system requirements to be adapted in pharmaceutical manufacturing‚ quality control‚ quality system covering the manufacture and testing of pharmaceuticals of drugs including active pharmaceutical ingredients‚ diagnostics‚ foods‚ pharmaceutical products and medical devices. GMP guidelines are not prescriptive instructions on how to manufacture
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1.0 TITLE Extraction of Phenol and Flavanoid compound of the edible brown seaweed species (Eucheuma Cottonii). 2.0 INTRODUCTION 2.1 An overview of Seaweed Macro-algae or “seaweeds” are multicellular plants growing in salt or fresh water. They belong to the lower plants‚ meaning that they do not have roots‚ stems and leaves. Instead they are composed of a thallus (leaf-like) and sometimes a stem and a foot (holdfast). Some species have gas-filled structures to provide buoyancy. They are often
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