Name: Date of Experiment: November 20‚ 2012 Group mates: Date of Submission: November 28‚ 2012 Experiment No. 1 ISOLATION OF CAFFEINE FROM TEA I. Introduction Caffeine is a very common substance and is found in coffee‚ tea‚ soft drinks‚ chocolate‚ and "stay-awake" pills such as Vivarin. It can be synthesized or isolated from natural sources. Caffeine constitutes approximately 4% of tea and coffee leaves‚ and is also found in cola nuts and cacao beans. Caffeine is a member
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Introduction Eugenol is a naturally occurring chemical that has medical applications such as its use as a natural dental anesthetic. It can be extracted from cloves by using the method of steam distillation. The extracted compound will then be separated from the water using methyl chloride‚ which will then be evaporated using a rotary evaporator leaving only the essential oil‚ Eugenol. IR spectroscopy will be used to determine the structure of the extracted compound. Results and Discussion Four
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Isolation of Casein from Milk In this experiment‚ casein was isolated from milk by means of isoelectric precipitation. A percent yield of % was obtained by the group. Introduction Milk is an opaque white or bluish-white liquid secreted by the mammary glands of female mammals‚ serving for the nourishment of their young. This liquid‚ as secreted by cows‚ goats or certain other animals are used by humans as food and as a source of dairy products such as cheese and butter. Milk composition differs
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Isolation of Trimyristin from Nutmeg by Extraction Introduction: Extraction is the physical process by which a compound or mixture of compounds is transferred from one phase into another. We will be looking specifically at an organic solvent extraction which is a type of solid-liquid extraction. This type of extraction utilizes an organic solvent that has a high affinity for the compound of interest. Most reactions produce a crude mixture of undesired reagent‚ byproducts‚ as well as the
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ISOLATION OF TRIMYRISTIN FROM NUTMEG ABSTRACT The purpose if the experiment was to extract the Trimyristan from ground nutmeg using extraction‚ distillation and recrystallization procedures. This experiment involves extraction and separation techniques that yield a purified product. The product was extracted and a distillation process was used to remove any remaining solvent. The recrystallization of the sample in turn produced a pure sample‚ which was proven using the known melting
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Date of experiment: September 3rd‚ 2013 Organic Chemistry II – CHLB330 Name: Symone MoxeyLab Partner: Lynden Cooper Isolation of caffeine from tea leave Abstract:- Introduction:- Caffeine is probably the most commonly used addictive drug. This drug is found in a number of things ingested by people. It belongs to a group of nitrogen bases called purines. Because caffeine possesses these base-like properties‚ it is described as an alkaloid. They usually taste bitter and often are physiologically
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Introduction It is crucial in the field of microbiology to study the morphology‚ biological activity‚ and the behavior of microbes thus the isolation of such microbes from the environment is necessary because it allows scientists to study them in close proximity. Microbial life forms are found everywhere. They are major players in biogeochemical cycling of elements and primary producers in numerous environments. There are also some microbes living inside higher forms of organisms that aid in digestion
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Running Head:ISOLATION 1 ISOLATION A LONELY ROAD Elizabeth Arguelles Keiser University ISOLATION 2 ISOLATION A LONELY ROAD There is a difference between the unhealthful experiences of isolation from the healthful and necessary experience of occasional solitude. Having time alone is an important part of emotional maturity. Sometimes we need alone time to sort through are thoughts‚ distress from a busy day. In a demanding world of seven billion people‚ restore a connection with
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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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Katherine Waide Mr. Feliciani Honors English 1 Period 4 27 September 2016 Isolation The fiction novel‚ Of Mice and Men‚ written by John Steinbeck follows the captivating story of two migrant workers. The book takes place in the heat of the Great Depression when finding a job was extremely difficult. During this era‚ many people became migrants‚ traveling from farm to farm picking fruit and other crops‚ barely earning enough money to escape starvation. The lack of food‚ clothing‚ shelter‚ and
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