Extraction of caffeine from tea bags ABSTRACT Caffeine extraction from the commercial tea leaves (Lipton Yellow Label Tea) that was done is multiple extraction. 4 tea bags were used in the experiment; tea leaves were weighed having 8.5333 grams. The leaves were boiled in a beaker with 150ml of water; the aqueous tea extract was transferred in a seperatory funnel mixed with DCM (20ml)‚ done thrice. The DCM layer was washed with 20ml 6M NaOH in the seperatory funnel; the organic layer was dried
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Sales and Distribution Questionnaire Sales and Distribution Questionnaire Instructions This questionnaire is a tool that you can use to collect information about your business that will be useful for tailoring the R/3 System to your business needs. You will need Microsoft Word for Windows to work with this document. Enter your answers in the fields after the questions‚ using the TAB key to move from field to field. You may save and later change your answers in this questionnaire just as you would
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the economic theory of capitalism. He acknowledges wide gaps in the distribution of income‚ but introduces even larger gaps in the distribution of wealth as a greater problem. Haslett supports this accusation by proving inheritance conflicts the three most important values of capitalism. He proposes to readjust balances of wealth in America by abolishing inheritances. Inheritances violate capitalistic ideals of distribution according to productivity by allowing rich children to enjoy their parents’
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DETERMINING RELIABLE AND RELEVANT SOURCES Determining Reliable And Relevant Sources Sarah Fina GEN/200 - FOUNDATIONS FOR GENERAL EDUCATION AND PROFESSIONAL SUCCESS Jan. 18th‚ 2014 Tobin Dunn DETERMINING RELIABLE AND RELEVANT SOURCES Abstract This paper will briefly describe how I determined the sources I used for my Annotated Bibliography to be reliable and relevant. I will also determine whether or not the
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Abstract: Caffeine‚ (C8 H10 N4 O2) a white‚ crystalline alkaloid known as a nervous system stimulant found commonly in tea leaves and coffee‚ can be extracted using the method of sublimation with the use of Methylene Chloride (CH2Cl2) and Sodium Hydroxide; both can repeatedly rinse the green (unroasted) coffee beans from the caffeine. Keywords: Caffeine‚ Methylene Chloride‚ Sodium Hydroxide‚ Anhydrous Sodium Sulfate I. Introduction Caffeine is an alkaloid of the methylxanthine family. Its chemical
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Effects of Caffeine and Nicotine on Lumbriculus variegatus INTRODUCTION An experiment was conducted to study and explore the circulatory system by exposing Lumbriculus variegatus‚ black worms‚ to household drugs. Lumbriculus variegatus was chosen as the experimental organism because of their transparent bodies and their simple physiology. Their transparent bodies help the experimenters to easily see their pulse. Another reason for choosing this specific organism is their body structure—large
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Sharuque Amin HRTM 4280 Domestic and International Tourism Dr. Aixa Ritz A tourism distribution channel is a process or an operating structure‚ system or linkage which brings forth the products of the producer travel organizations and puts it into the market through a chain that sells to the travellers. (Goeldner & Ritchie‚ 2012) This chain is very similar to the normal market distribution process in which the producer produces the product and ships it to the wholesalers and then the wholesalers
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Experiment 11b: Isolation of Caffeine from a Tea Bag October 12‚2012 Purpose: The objective of this experiment is to extract caffeine from tea bags using the method of extraction. After the caffeine is extracted it is then compared to the nutritional facts amount per serving on the tea bags box. Supplies: Glassware: 1. 50.0 m L graduated cylinder 2. 150.0 mL beaker 3. 2-glass stirring rod 4. 6-test tubes 5. 2-glass pipettes 6. 2-50.0 mL Erlenmeyer flasks 7. glass funnel Hardware:
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A study of Distribution Channel of Hindustan Unilever Limited By Anubhav Jaiswal 2011195 Introduction HUL works to create a better future every day and helps people feel good‚ look good and get more out of life with brands and services that are good for them and good for others. With over 35 brands spanning 20 distinct categories such as soaps‚ detergents‚ shampoos‚ skin care‚ toothpastes‚ deodorants‚ cosmetics‚ tea‚ coffee‚ packaged foods‚ ice cream‚ and water purifiers‚ the Company is
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The company’s distribution strategy covers choice of firm distribution and transport‚ number and location of warehouse and weather the company carries out activities itself or buys (outsources) them. Toyota’s automotive sales distribution network is the largest in Japan. As of March 31‚ 2009‚ this network consisted of 290 dealers employing approximately 40‚000 sales personnel and operating more than 4‚800 sales and service outlets. Toyota owns 19 of these dealers and the remainder is independent
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