Introduction The soft drink industry is one of great and increasing power. With powerhouse companies such as the Coca-Cola Company and Pepsi Co dominating the market‚ Dr. Pepper Snapple Group has remained a close competitor with their line of soft drinks. While the demand of carbonated beverages has consistently been decreasing over the past few years due to health concerns‚ the attraction to diet beverages has boosted due to the idea of it being a healthier alternative to full-calorie sodas. Perceived
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The Brazilian pepper tree‚ Schinus terebinthifolius‚ is an invasive plant species that was introduced to Florida from South America. This particular plant presents a serious hazard to the biodiversity of Florida’s ecosystems‚ as it tends to eliminate native plant species wherever it grows. Since the Brazilian pepper tree was brought over from South America in the mid-1800’s‚ the reach of the plant has swelled to over 700‚000 acres‚ creating poor habitats for Florida’s native species (Center for Aquatic
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Date:7.6.2013 Objectives: Part 1: (i)To learn the technique of TLC and the visualization of colourless components. (ii)Identify the unknown drug by a TCL comparison with standard components. Part2 :to learn the separation technique by using TLC plate in separating a mixture of compound by using spinach leaf. Apparatus:UV lamp‚capillary ‚250 ML beaker Materials:aspirin‚acetaminophen‚caffeine‚unknown A‚unknown B‚TLC plates‚ethyl acetate‚Hexane‚acetic acid‚iodine Introduction: Procedure:
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Post Lab #4- Column Chromatography Organic Chem 3418-2 March 3‚ 2011 Theoretical Background- The fluorene and fluorenone mixture was separated by first dissolving the mixture in heptane. Since “like dissolves like”‚ fluorene dissolves with the non-polar heptane and the polar fluorenone dissolves in the polar ethyl acetate solvent. This phenomenon was illustrated in class before the experiment‚ when it was pointed out why water will not dissolve fluorene‚ fluorenone‚ or transstilbene
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are the materials that they are going to use? Will it affect the growth of the plant in terms of its height‚ number of leaves‚ and number of fruits? Background of the Study Bell peppers and many hot peppers are native to America and Asia. It is always been one of the common vegetables n the home garden. Bell peppers need lots of nitrogen‚ calcium‚ and phosphorus in order to maintain its good quality. Egg shells can be easily gathered because we have a lot of poultry in our community. It contains
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RADICAL HALOGENATION AND GAS CHROMATOGRAPHY Abstract In radical halogenations lab 1-chlorobutane and 5% sodium hypochlorite solution was mixed in a vial and put through tests to give a product that can then be analyzed using gas chromatography. This experiment was performed to show how a radical hydrogenation reaction works with alkanes. Four isomers were attained and then relative reactivity rate was calculated. 1‚1-dichlorobutane had 2.5% per Hydrogen; 1‚2-dichlorobutane had 10%; 1‚3-dichlorobutane
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Class Assignment- Dr. Pepper/7 up Inc. Squirt brand Case Introduction and Marketing Issues- Dr Pepper/7Up Inc.‚ is one of the largest soft drinks company in the world. This company has its production in 200 countries. Most popular soft drinks are: Dr Pepper‚ 7 UP‚ RC cola‚ A&W Root Beer‚ Canada dry‚ Hawaiian Punch‚ and Squirt. Squirt‚ is a drink that was invented in the course of an experiment by Herb Bishop in 1938. It was a new carbonated soft drink that required less fruit and
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Separations: Chromatography of M&M and Ink Dyes Almost all substances we come into contact with on a daily basis are impure; that is‚ they are mixtures. Similarly‚ compounds synthesized in the chemical laboratory are rarely produced pure. As a result‚ a major focus of research in chemistry is designing methods of separating and identifying components of mixtures. Many separation methods rely on physical differences between the components of a mixture. For example‚ filtration takes advantage of substances
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Unversity Visca‚ Babay City‚ Leyte Name: Millama‚ Engene O. Course & Year: BS Biotech-2 Lab Schedule: W (1-4) Group 5 Date Performed: Dec. 12‚ 2012 Date Submitted: Jan. 9‚ 2013 Separation of Photosynthetic Pigment by Paper Chromatography I. INTRODUCTION There are different types of components in plant pigments. The most important and abundant chemical pigment found in plants is chlorophyll. This pigment exists in two forms; chlorophyll a and chlorophyll b. Chlorophyll a‚ being
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Figure 1: Affinity chromatography of fumarase with the Ni2+-NTA-agarose column. Extract (9.9 mL) containing yeast (3.76g) in extraction buffer containing 0.1% Igapel CA-630 and protease inhibitors were pumped through Ni2+-NTA-agarose column. Fractions were collected by 1.5 mL portions by use of wash buffer (20.0 mL)‚ imidazole elution buffer (26.3 mL)‚ and wash buffer (10.0 mL)‚ again. Absorption readings were taken for all fractions with a Cary50 set at 280nm. The fumarase activity was determined
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