• Lab Report on Photosynthesis
    typical leaf. Materials and methods: The first procedure dealt with the internal anatomy of a leaf. The materials needed are: colored pencils, a prepared slide of a leaf, and a compound microscope. After obtaining the prepared slide of a leaf, we used a compound microscope to observe the leaf. Then...
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  • Mine
    TITLE: Composition of leaf extracts using paper chromatography INTRODUCTION Paper chromatography is a method to separate mixtures in their individual parts. Chromatography means “colour writing”. The mixture of pigments in a leaf may be separated into bands of colour by paper...
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  • 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 that has been familiar to students...
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  • Photosyntesis
    creates an obvious dilemma. How do plants expose thin moist membranes to the dry atmosphere without losing tremendous amounts of water? One could view the leaf as natural selection's answer to this problem. The moistened gas exchange surfaces (mesophyll cells) became internalized between a water proof skin...
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  • Biology Lab
    Title: Aim : to separate the major pigment in a green leaf and identify them using paper chromatography. Table 1: The table shows the migration distance of different plant pigments (in cm) after they had been separated using chromatography Spot no. | the distances from origin to the different spot...
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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 higher pigment...
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  • Photosynthesis
    Purpose: To familiarize oneself the process of photosynthesis, pigments light absorption and the process of chromatography. Procedures: Experiment A – White Light and the Visible Spectrum: Washed and dried 5 50ml beakers. Wrapped each beaker in tin foil and filled them with 40mL of NaHCO3 solution...
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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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  • 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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  • 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 of...
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  • Biology
    LAB REPORT – CHROMATOGRAPHY Chamodi Basnayake PROCEDURE: 1. Cut out a piece of chromatography paper and draw a parallel line about 2 cm from the bottom of the paper using a pencil. 2. Use a coin to extract the pigments form the...
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  • Photosynthesis Formal Lab Report
    based on starch production, which wavelengths of light are involved in photosynthesis, and identify plant pigments found in a plant leaf by means of paper chromatography. Life on Earth is dependent entirely on the energy from the Sun, not only to keep the planet at a suitable temperature but also to...
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  • Photosynthesis Lab
    Wrap or Tissue Paper Box or Cover to block light Semi-dark Room <="" span="">MATERIALS NEEDED (Chromatography of Plant Pigments)Tall, Clear Glass Fresh Spinach Leaves and one other type of leaf that Isn't Green (Fall leaves work well, but they must not be dry) Pencil  Rubbing Alcohol (from the...
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  • Experiment Chromotography
    Experiment 9 Thin Layer Chromatography Experiment: 9 Title: Thin Layer Chromatography Introduction: Chemical analysis is conducted on specific analytes (specific substance of interest in a mixture), however it is often found that these analytes must be separated for the chemical analysis...
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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 of...
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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 value...
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  • Paper Chromatography Lab
     Paper Chromatography Lab Alyssa Voigt November 7th, 2013 Mr. Steenholdt Paper Chromatography Lab Purpose: to separate the various photosynthetic pigments of Spinacia oleracea leaves. Materials: - methanol - water - filter paper - sand ...
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  • Lab 4: Plant Pigment and Photosynthesis
    Section 1 Purpose: The purpose of this lab was to separate plant pigments using chromatography, calculate Rf values using the collected data, and study photosynthesis with isolated chloroplasts. Light energy Light energy Background Information (Activity A): In photosynthesis, plant cells convert...
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  • Biology Plant Separation/ Identification
     Separation and Identification of Plant Pigments by Paper Chromatography Biology 1107L Introduction All living organisms require energy for their chemical processes. The ultimate source of this energy is the sun. Plants convert light energy into the chemical energy...
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  • chromatography of chlorophyll
    beta carotene besides chlorophyll a. They are part of the photosystem in the thylakoids. Pigment molecules can be separated by a procedure called chromatography. The procedure uses a special paper and solvent. The chlorophyll molecules adhere to the paper. The solvent molecules move up the paper by capillary...
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