• Experiment on Chromatography
    ------------------------------------------------- Using Liquid-Liquid Partitioning Chromatography Teshia Faye T. Josue Institute of Chemistry, University of the Philippines, Diliman, Quezon City July 10, 2013 July 16, 2013 I. II. Methodology Chromatography is a method of separation th
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  • Chromatography Lab Report
    Chromatography lab Purpose: To separate food colorings into their component dyes using paper chromatography. Materials: Chromatography paper, Food coloring, Ruler, Pencil, Solvent solution, Test tubes, Test tube rack. Safety precaution: wear aprons, to make sure that you don’t get any of the
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  • Socio Economic Condition of Betel Leaf Cultivetors
    INTRODUCTION From the very beginning of cultivation Betel leaf is cultivated in Bangladesh. As a tradition of regular habit a large number of people chew betel leaf. As the daily life of people betel leaf and betel nut have possessed a special place in our literature, song, society and cult
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  • Thin Layer Chromatography Lab Report
    Thin Layer Chromatography Introduction Thin Layer Chromatography or TLC is a technique used as a separation and identification technique. There are many forms of chromatography, but one thing that remains constant throughout all of the types of chromatography is that there is a stationary phase an
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  • Maple leaf foods
     Table of Contents Company Background Maple leaf foods is one of the leaders in the consumer packaged food industry. Their operations span across Canada, the United States, United Kingdom, Asia, and Mexico. A few brands they produce are Schneider’s™, and Dempster’s™ which are known...
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  • Chromatography Lab
    Problem How can you tell pigment separation by using Chromatography? Objective To prepare a chromatogram, separate pigments in a leaf and interpret the chromatogram. Hypothesis If I am to put a chromatography paper into a solvent, then it would separate the pigments depending on their Rf va
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  • The Effcts of Different Wavelengths on Leaf Pigments
    Introduction: • Hypothesis: My hypothesis for this experiment, the study of the effects of different wavelengths on leaf pigments, if chlorophyll a absorbs blue-violet light, chlorophyll b absorbs blue light, carotene absorbs blue-green light, and xanthophyll absorbs blue light, then wavelengths o
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  • Chromatography of Pigments
    Introduction Paper chromatography is a method using a chromatography paper to identify the many mixtures of one simple color. The word chromatography comes from the Greek words, "chroma," meaning color, and "grafein," meaning to write. The process of this experiment is to place a colored dot, such
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  • Column and Thin Layer Chromatography
    =========== ORGANIC CHEMISTRY ============ Organic Chemistry Laboratory - CH 201 (2010-2011) Experiment 4B Column and Thin-Layer Chromatography of Capsicum Frutescens L. Pigments John Cyril
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  • Chromatography of Commercial Analgesics
    Chromatographic Analysis of a Commercial Analgesic’s Active Component I. Abstract This study on Chromatographic Analysis of a Commercial Analgesic’s Active Component seeks to separate, identify, quantify and analyze the active component found in Biogesic®, which may be useful for public awa
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  • Plant Pigment Chromatography
    Objectives: To use the process of chromatography to separate plant pigments. To compare the plant pigments found in spinach and red leaf lettuce leaves. Hypotheses: I believe the spinach leaf in the acetone will have a higher pigment of chlorophyll a and the red leaf lettuce will have a hig
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  • Comparative Analysis of Hypoglycemic Activity of Camias (Averrhoa Bilimbi L.), Guava (Psidium Guajava L.) and Macopa (Syzygium Samarangense) Leaf Extracts in Glucose-Treated Rats (Rattus Norvegicus)
    CHAPTER I INTRODUCTION In the present time, the rate of proliferation of diabetic people is continuously and rapidly increasing. Further studies show that the number of diabetes cases worldwide has doubled since 1980 and is now at startling 350 million diabetics. (Laino, 2011). Diabetes is a li
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  • Chromatography Lab
    Environmental Health Sciences Center Community Outreach & Education Program CHROMATOGRAPHY (Adapted from: Forensic Science Activities. University of Colorado Boulder Hughes Initiative. .) DESCRIPTION: Students will use paper chromatography to separate ink molecules and identify the pen used o
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  • Lab Report Chromatography
    Lab report: Apparatus: * 1 chromatography sheet * Pipette * 30cm2 Beaker * 3 crushing bowls * Pencil * Ruler * Scissors Materials: * 2-3 g leafs of “Feldsalat” * 2-3 g of leak * 2-3 g of Brussel sprouts * 30 ml. of acetone * 6 g of fine sand
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  • Chromatography of Plant Pigments
    CHROMATOGRAPHY OF PLANT PIGMENTS Marquez, Ma. Rica Paulene, Moises, Patrisha Kate, Policarpio, Jairus Paolo, Rolda, Zylene Joy Department of Biology, College of Science, University of the Philippines Baguio April 23, 2013 ABSTRACT The objective of this experiment was to apply the technique o
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  • chromatography of chlorophyll
    Problem: Why do leaves change color in the fall? Background: Leaves contain many pigments such as chlorophyll b, xanthophyll, and beta carotene besides chlorophyll a. They are part of the photosystem in the thylakoids. Pigment molecules can be separated by a procedure called...
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  • Chromatography of Dyes
    ABSTRACT Separation and identification of components of a mixture was determined by using Chromatography. The components of a mixture have different affinities for a stationary phase as well as different affinities for a mobile phase. INTRODUCTION An extremely common technique by using two chem
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  • Gas Chromatography
    Gas Chromatography Purpose: The purpose of the gas chromatography lab is to find out how different substances interact with the surface of a solid. Chromatography is a separation technique that depends on the relative distribution of the components of a mixture between a mobile phase and a sol
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  • Basil Leaf Removal
    Basal Leaf Removal By: Jonathan Klein Wine grape vineyards are commonly using a process of basal leaf removal to improve fruit zone light microclimates. There has been also practice of pre-bloom removal; but as we all know, it really comes down to the cost and how much money you spe
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  • Chem Lab Chromatography
    Gabriel Alizaidy Liquid Chromatography September 14, 2009 Objective: To separate the components of unsweetened, grape flavored Kool-Aid. Procedure: Using two syringes, inject different concentrations of alcohol to extract red and blue dyes, and artificial flavoring. Data: Conclusion: Diffe
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