In this lab‚ caffeine was extracted from black tea‚ and green tea through a vacuum filtration‚ and a rotovap. The melting point of the sample of black tea was 219.12-236.05 ˚c‚ and for the green tea it was 176.22-227.6 ˚c. The % error of the melting point indicates how much error there was from the melting point taken experimentally. The % error of the melting point for black tea was 0.44%‚ and for green tea it is 3.15%.Since the theoretical melting point of caffeine is between 235-237 ˚c‚ we can
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Preparation of SKEO The extraction of S. khuzistanica was performed by hydro distillation and clevenger apparatus for 5 hours. Once extraction was completed‚ the resulted essential oil was dehydrated using sodium sulfate (Merck). The essential oil was stored at temperature of 4ºC until using (12). In order to provide different concentrations of the extract‚ Dimethyl sulfoxide (DMSO) was used. Gas chromatography/mass spectrometry analysis of essential oil Isolation and measurement of the sample
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Debt Policy at UST Inc. 1. What are the primary business risks associated with UST Inc.? What are the attributes of UST Inc.? Evaluate from the viewpoint of a bondholder. (Your answer should be more qualitative than quantitative!) The following factors weave into the risks and attributes of the company from the creditors’ point of view: A. UST had seven pending health related lawsuits at the end of 1998. The outcomes of these suits are uncertain. Despite the major Medicaid state settlements
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Extraction of Caffeine from Tea leaves Casinabe‚ Antonio Karlo‚*Catahay‚ Jesus Alfonso‚ Cerdena‚ O’neil‚ Cordova‚ Robelle Department of Biological Sciences‚ College of Science University of Santo Tomas‚ España Street‚ Manila 108 Group 4 2MB Date Submitted: December 13‚ 2012 ------------------------------------------------- ABSTRACT: The purpose of this experiment is to extract the amount of caffeine present in tea bags. In this experiment‚ isolation‚ characterization and purification
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Gabito‚ Jose Luis F. Gallo‚ Cian Carlo M. Galvez‚ Joshua M. Group no.4‚ 2D-Medical Technology‚ Faculty of Pharmacy‚ University of Santo Tomas ABSTRACT Recrystallization is a method for purifying solid organic compounds. The process is dissolving the solid to be purified in a hot solvent and cooling the solution slowly‚ this allows impurities with different solubility to separate from the solution in each step. The objective of the experiment was to synthesize acetanilide by the acetylation
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ADMININSTRATIVE OFFICER With reference to your advertisement in the daily graphic dated on March 10‚ 2013 in page numbered 30. I hereby apply for the post of an Administrative officer in your reputable and dynamic company. I am an energetic graduated from Cape Coast Polytechnic. While in school‚ I pursed HND Secretaryship and Management Studies. Besides my academic qualification‚ I am always ready to discuss my credentials and skills at your own convenient t time. Thank you I hope my application will
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“UST Inc” case study The primary business risks associated with UST are as follows: First‚ legal challenges will cause litigation expenses‚ lawsuits expenses and settlement payments‚ which will decrease the operating income and cash flow and will increase the risks of debt default. From the industry level‚ the smokeless tobacco manufactures have faced less exposure to health related lawsuits than cigarette manufactures because the scientific evidence linking smokeless tobacco to cancer is less
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Debt Policy at UST Attributes and Risks of UST UST is the market leader in the moist tobacco segment. In a struggling tobacco industry‚ UST has shown consistent growth over the past few decades. Despite the decrease in demand for smoked (cigarette) tobacco‚ there is a growing demand for UST’s products. The perception that smokeless tobacco is healthier than smoked tobacco has helped the company to build a strong customer base. Therefore‚ despite some legislative setbacks‚ the company is growing
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Medical Studies at the UST After graduating from Ateneo‚ he had to go to UST for higher studies. His mother opposed at first she knew what happened to GOMBURZA ‚ she said “Don’t send him to Manila again‚ he knows enough. If he gets to know more‚ the Spaniards will cut off his head”. He enrolled in UST taking up Philosophy and Letter for 2 reasons: His father liked it. He was still uncertain as to what career to pursue (he asked the advised of Fr. Pablo Ramon (Rector of Ateneo) but it was late
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Introduction: The case “Debt Policy at UST Inc.” deals with the progressively lowering growth and the company’s board decision to borrow up to $1 billion over five years to accelerate its stock buyback program. The case talks about how the company has seen its commanding market power decline over the years due to price challenge from smaller companies and has been experiencing slow growth rates due to lack of innovation in recent years. The investors had concerns regarding the future of the company
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