• Lab Report on Photosynthesis
    , and colored pencils. First we obtained a leaf from our instructor. Then we sketched the leaf and labeled the blade and petiole. The following procedure dealt with a chromatogram. The materials needed are: a pencil, safety goggles, scissors, chromatography paper strip, capillary tube, spinach plant...
    Premium 1236 Words 5 Pages
  • Mine
    Surname :Machuka Initials: O Student #:201000081 Group: V Date:10/09/10 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...
    Premium 915 Words 4 Pages
  • Photosyntesis
    procedure is to place a fresh leaf directly on the paper, then press and roll the edge of a coin (quarter) over the leaf to crush the cells and form a stripe of pigment. 5. Place the chromatography strip in a test tube containing 2 mL of chromatography solvent (9 parts petroleum ether: 1 part...
    Premium 1326 Words 6 Pages
  • Experiment on Chromatography
    , the best solvent was taken and used for the Column Chromatography, which was the third part of the experiment. A Pasteur Pipette being plugged with cotton from the inside at the bottom, a portion of 10 mL Hexane with 2 grams of Silica Gel was transferred to the same pipette. A drop of the leaf...
    Premium 2527 Words 11 Pages
  • 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...
    Premium 505 Words 3 Pages
  • Biology Lab
    Bio lab report ------------------------------------------------- Name : Seema Maruti Shedage 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...
    Premium 915 Words 4 Pages
  • The Effcts of Different Wavelengths on Leaf Pigments
    • Control: Acetone with no pigments • Replication: This investigation did not institute replication • Materials: paper, writing utensils, capillary tube, leaf pigment extract in acetone, beakers, forceps, scissors, acetone, petroleum ether and acetone solvent, chromatography paper, wax paper...
    Premium 420 Words 2 Pages
  • Photosynthesis
    this experiment is on table 7B. Washed all glassware and apparatus and cleaned up the lab bench. Experiment b Observations/Conclusion: Chromatography using the spinach pigments was a bit difficult. We repeated the test twice because in our first test the pigment didn’t separate. In the second...
    Premium 709 Words 3 Pages
  • 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...
    Premium 558 Words 3 Pages
  • Photosynthesis Formal Lab Report
    Introduction The purpose of this lab is to determine which pigments in a plant support or effect photosynthesis, 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...
    Premium 2815 Words 12 Pages
  • Chromatography of Plant Pigments
    pigments were significantly different than ours because they used different percentages of solvents. CONCLUSION Paper chromatography proved to be an accurate method of separating and observing the various colors of plant pigments. The pigments dissolved in the solvent and migrated upward. The colors...
    Premium 1376 Words 6 Pages
  • Photosynthesis Lab
    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 first aid section of your pharmacy) White Coffee Filters Penny or Nickel Ruler&lt...
    Premium 1592 Words 7 Pages
  • Biology
    ; x = Distance Solvent travelled CONCLUSION: Paper chromatography is a technique used to separate substances in a mixture based on movement of the different substances up a piece of chromatography paper by osmosis. Pigments extracted from plant cells contain a variety of molecules...
    Premium 469 Words 2 Pages
  • 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...
    Premium 1239 Words 5 Pages
  • Biolab Assignment
    pigment chromatography. In this lab you will be extracting the pigments from a plant leaf. Please note that you may wish to do this lab more than one time in order to verify your results (you can use cut up coffee filters as extra chromatography strips if necessary). There is a template at the bottom...
    Premium 617 Words 3 Pages
  • Chromatography of Pigments
    , what are some other possible applications for paper chromatography? Another way to use paper chromatography is by using marker ink, That way, you can identify the different colors mixed together into one. Conclusion Paper chromatography can help scientists tell apart different plants, and...
    Premium 665 Words 3 Pages
  • Experiment Chromotography
    comparisons made with standard compound. Part 2: The aim of separation technique by Thin Layer Chromatography is to separate the mixture of individual compounds from the spinach leaf sample used. Material and apparatus: Part 1 : Analysis of Analgesic Drugs Material: Aspirin Acetaminophen...
    Premium 2297 Words 10 Pages
  • Biology Plant Separation/ Identification
    ) Conclusion Paper chromatography proved to be an accurate method of separating and observing the various colors of plant pigments. The pigments dissolved in the solvent and migrated upward. It was determined that 3 pigments were present in the original spot: carotene...
    Premium 333 Words 2 Pages
  • Paper Chromatography Lab
    stop travelling at an earlier stage that those that are most soluble with methanol. 8. The meaning of the Rf value is to help identify pigments. Each pigment holds an Rf value, which is used like a fingerprint. Although colour can be used to identify pigments, their Rf value is the true indication of which pigment is present. Conclusion: the various photosynthetic pigments in S. oleracea were separated using the chromatography technique. ...
    Premium 876 Words 4 Pages
  • Determining Photosynthetic Activity in Plants Using Different Wavelengths of Light and Pigmentation
    recorded. For the paper chromatography, a streak of leaf pigment was repeatedly drawn (about three to four times) 1 cm from the edge of a paper cylinder with the use of a capillary tube and then allowed to dry. Afterwards, a jar containing a small amount of petroleum ether and acetone was...
    Premium 2149 Words 9 Pages