Column and Thin Layer Chromatography Beverly Abstract: Plant pigments were separated and concentrated from a crude spinach extract through the use of column chromatography and an eluatropic series of hexanes‚ hexane/acetone‚ and methanol. The pigments were analyzed using thin layer chromatography with a 30% ethyl acetate/hexane developing solvent. Introduction: Chromatography is a technique used to separate a mixture of two or more components based on
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to tell about WATER water is the most imp thing on earth.without water no life.We take it for granted‚ we waste it‚ and we even pay too much to drink it from little plastic bottles. And still‚ today‚ nearly 1 billion people in the developing world don’t have access to it. Clean‚ safe drinking water is scarce. It is the foundation of life‚ a basic human need. Yet today‚ all around the world‚ far too many people spend their entire day searching for it. Simply put‚ water scarcity is either
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In the Supreme Court case‚ United States v. Fields‚ Abel Fields is convicted under the Stolen Valor Act for claiming he had received a Purple Heart for bravery. In his first hearing‚ Abel was found guilty and ordered to pay the fine. However‚ the appeals court ruled Fields not guilty. Abel Fields argues that his right to lie is protected by the First Amendment and that his actions do not harm other individuals nor benefit himself. His prosecutors argue that an intentional lie is not protected by
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highlight the different incentives offered by such promotions. An Empirical View of the Different Types of Consumer Promotions in India Expenditure on sales promotion by various marketing companies in India is estimated to be Rs. 5‚000 crore and is growing at a robust pace every year (Economic Times June 15‚ 2003). Companies in an attempt to drive sales offer various kinds of consumer promotions from price offs‚ extra product‚ freebies‚ scratch cards. In the year 2001‚ there were as many as 2‚050 promotional
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Chromatography refers to a set of laboratory methods used in separating as well as purifying biomolecules. A variety of chromatography techniques exist‚ and all depend on the interaction between a stationary and a mobile state. Two types of chromatography methods were examined in this investigation. First‚ ion-exchange chromatography was used. This method separates ions and polar molecules based on their affinity to the ion exchanger [2]. Specifically‚ cation-exchange chromatography was performed
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Compensation pattern adopted by TATA MOTORS FINANCE LTD. Wrt Sales management position. RAHUL SHARMA A30101911073 PRIYANKA SHAHI A301019110 11/4/2012 RAHUL SHARMA [Type the abstract of the document here. The abstract is typically a short summary of the contents of the document. Type the abstract of the document here. The abstract is typically a short summary of the contents of the document.] TATA MOTORS FINANCE LTD.: Over five decades of expertise in vehicle financing‚ Tata Motors Finance
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pigments. (5 points) 2. Compare the effectiveness of each of the four kinds of solvents. Answer: Water will move the ink the furthest. Next‚ is the water and alcohol mix. After that would be the alcohol‚ and last is the oil. (5 points) 3. Which solvent caused the ink from the dots to move the most? Which solvent caused the ink from the dots to move the least? Answer: The alcohol and water mix caused the ink to move the most. The oil caused the ink to move the least. (5 points) 4. What
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Emile Durkheim and the Division of Labor June 15‚ 2012 Emile Durkheim and the Division of Labor Functionalism is one of the baselines in sociology and Emile Durkheim is one of the main players in defining the field of sociology as a science. He believed that every social structure existed only because it satisfied a specific social need. Additionally‚ it was Durkheim’s desire to delineate how sociology would be used and considered and to give it the tools of scientific methodology (Vissing
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Sales quotas are quantitative goals set by managers to measure and compare the performance of individual salespeople and to help determine their compensation. Three major types of quotas are volume-based‚ profit-based and combination quotas‚ and all three can be used either for measurement or for compensation Read more: http://www.ehow.com/info_8664717_types-sales-quotas.html#ixzz2bRPvjhTyA sales quota is something used in many environments where goods or services are sold. It is essentially a
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In “The Lilies of the Field” by William E. Barrett‚ the two main characters‚ Mother Maria and Homer Smith‚ share personalities in many ways. An example of this is how both Mother Maria and Homer wanted to be in charge. When Homer was building the chapel‚ Mother Maria kept arguing that Homer was doing it wrong. Homer and Mother were both very unshakable about what they thought and did not give in easily. When Homer was trying to get consent to buy food for the nuns‚ Mother kept saying no. Homer displayed
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