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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Sasha Thiel 09.10.2012 CH203 Lab Experiment 1: Isolation of the Active Ingredient in an Analgesic Drug Pre-Lab: A. Least accurate to most accurate 1. Beakers (5ml markings) 2. 10ml graduated cylinder (0.1 markings) 3. 5ml vials (0.1 and 0.3 markings) 4. 1ml plastic pipets (0.1 ml markings) 5. 1ml syringes (0.1 ml markings) 6. 1ml graduated volumetric pipets (0.01 ml markings) B. A 1ml graduated volumetric pipet is the best to use if you want 0.15 ml of reactant
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Ethical Analysis Justice In the health care system‚ justice implies that all treatment and medical goods are distributed fairly and equitably amongst the community.1 Though it is not specifically discussed‚ the hostile environment and relative isolation of Antarctica may challenge Joseph’s overall health and wellbeing as he is an overweight smoker with asthma and sleep apnoea. In order to adhere to the principle of justice‚ Joseph’s fitness levels‚ lifestyle choices and comorbidities have to be
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Psychosexual stages vs. psychosocial stages In psychology when the word development is mention to two theorists‚ stand out. These theorists are Sigmund Freud and Erik Erikson. Freud being the father of psychology changed the technique of studying the development of individuals. Erikson was influenced by Freud but he felt that be underestimated other significant dimension that shape our development. They both agreed that personality develop is mostly an unconscious process
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Experiment 7- Isolation of the Major Component of Clove Oil Pre-Lab Questions: 1.) Briefly explain the concept of steam distillation. What is the difference between a simple distillation and a steam distillation? When a mixture of two immiscible liquids are distilled it is referred to as codistillation. This process is referred to as steam distillation when one of the liquids is water. This distillation is used to separate organic liquids from natural products and reaction mixtures in which
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Isolation of the active ingredient in an Analgesic Drug from extraction‚ filtration and melting point. Chm237 Abstract: Acetaminaphen was crushed then extracted for the active ingredient by mixing it with methanol. Then separated from the binders by centrifugation and a filtration technique using a Pasteur pipet packed with alumina. The remaining solvent was then evaporated to yield the solid analgesic(.2295g‚ 45.9% yield) which was collected by filtration and tested for the
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Administration Policies Developments in Business Sector and Capital Markets Increase in Financial Intermediaries Fiscal Year 1958 Decade of Large Government Budgets Technological Acceleration Pre-Korean Recovery Military Budget Monetary Policy vs. Debt Management Section 1: Social Conditions / Concerns The 1950s socially was an exciting and eventful time to be alive. During the 1950s was when most of the now known "baby boomers" were growing up. On the homefront‚ many things began to change
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S-S Technology Inc. Company Policy(HR Policy) Recruitment Policy Purpose To ensure that required staffs are appointed at required interval for S-S Technology. Responsibility Relevant department manager shall responsible to submit staff requisition form upon staff requirement. HR manager shall review and arrange for recruitment as per requested information. Procedure When staff requirement request from concerned department manager who shall complete the staff requisition form and submit
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Experiment 4: Isolation of Essential Oils from Eugenol Background: Anyone who has walked through a forest or who enjoys the variety of fragrances that flowers have to offer knows that many plants and trees have their own distinctively pleasant odors. These odors are due to the volatile essential oils‚ many of which have been prized commodities since ancient times. If a list of commercially important essential oils was compiled the list would exceed 200 essential oils. Thyme‚ garlic‚ peppermint
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known as S. typhimurium‚ is a Gram-negative‚ rod-shaped‚ flagellated‚ facultative anaerobe microorganism. S. typhimurium can be found in animal feces and raw contaminated foods such as poultry‚ beefs‚ sea foods‚ tainted fruits and vegetables (3‚ 5). Some of the vectors of S .typhimurium are birds‚ reptiles‚ and aquatic vertebrates (5). After the consumption of the bacterium‚ S. typhimurium is found living and growing in the mammalian GI tract. People who are more likely to be infected with S. typhimurium
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