"Spinach pigments chromatography" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 9 of 50 - About 500 Essays
  • Powerful Essays

    Thin Layer Chromatography

    • 1909 Words
    • 8 Pages

    Experiment 5 Title : Thin Layer Chromatography Objectives: i. To distinguish polar and non-polar solvents. ii. To familiar with the analysis technique by using the thin layer chromatography. iii. To differentiate the retention factor‚ Rf for different compounds. [pic] Result: |Compound |Distance traveled by the compound | |o-nitroanaline |2.45

    Premium Thin layer chromatography Chromatography Solvent

    • 1909 Words
    • 8 Pages
    Powerful Essays
  • Good Essays

    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 greatest absorption will be 400‚ 450‚ 500‚ and 450 respectively. • Independent Variable: Wavelengths • Dependent Variable: optimum wavelengths of light for absorption • Standard Variable: method of

    Premium Spectroscopy Absorbance Electromagnetic radiation

    • 420 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Plant Pigment Lab Question: What pigments are present in Red Wandering Jews? Background: A leaf is filled with many pigments. The pigments are usually masked by the prevalence of the green chlorophyll. Anothocyanin(red or purple)‚ carotene(orange)‚ and xanthrophyll(yellow) are found in different proportions in different leaves. Leaf pigments can be separated by using paper chromatography. Paper chromatography is a technique that extracts pigments into a paper filter called chromatogram. What are

    Premium Purple Thin layer chromatography Light

    • 1011 Words
    • 5 Pages
    Good Essays
  • Best Essays

    Component seeks to separate‚ identify‚ quantify and analyze the active component found in Biogesic®‚ which may be useful for public awareness despite its wide acceptance and availability in the market. Furthermore‚ this study applies thin layer chromatography (TLC) technique since it is the simplest‚ cheapest yet most effective approach in terms to the study’s objectives. The TLC method implies Rf (Rate of flow) values where it is given by the distance from origin to center of subtance spot over the

    Premium Thin layer chromatography Chromatography Chemical polarity

    • 1868 Words
    • 8 Pages
    Best Essays
  • Powerful Essays

    Column and Thin-Layer Chromatography of Capsicum Frutescens L. Pigments John Cyril Abanto*‚ Vernalyn Abarintos and Clarice Gail Abella Department of Chemistry‚ College of Science University of Santo Tomas‚ Espana Street‚ Manila 1050 Date Submitted: September‚ 2010 ____________________________________________________________ _________________________________ Abstract: The experiment was done to separate and analyze the components of chili pepper. Chromatography was used because of its

    Free Chromatography Thin layer chromatography

    • 1089 Words
    • 5 Pages
    Powerful Essays
  • Good Essays

    exchange Chromatography Ion exchange chromatography is a process for separating proteins and other molecules in a solution based on differences in net charge. Ion Exchange Chromatography relies on charge-charge interactions between the proteins in your sample and the charges immobilized on the resin of your choice. Ion exchange chromatography can be subdivided into cation exchange chromatography‚ in which positively charged ions bind to a negatively charged resin; and anion exchange chromatography‚ in

    Premium Electric charge Ion Molecule

    • 306 Words
    • 2 Pages
    Good Essays
  • Better Essays

    Title: Thin-Layer Chromatography Objectives: Part1: 1. To learn the technique of TLC and the visualization of colourless components. 2. To identify an unknown drug by a TLC comparison with standard compounds. Part 2: To learn the separation technique by using Thin Layer Chromatography plate in separating a mixture of compounds into individual pure compound by using Spinach Leaf. Introduction: (i) General Concepts Chromatography is a common and powerful method used to separate and analyze complex

    Premium Chromatography Thin layer chromatography Analytical chemistry

    • 3829 Words
    • 16 Pages
    Better Essays
  • Good Essays

    Encyclopædia Britannica Paper chromatography is used to separate "dissolved chemical substances". An example of dissolved chemical substances could be the pigments that make up a specific color‚ for example in a marker. When a chromatography paper experiment is done on a black marker‚ the experiment tends to separate all the different pigments that make up the color. In this experiment‚ the substance investigated was a black water soluble Giotto marker pen. Paper chromatography has two phases‚ the

    Premium Chromatography Analytical chemistry Gas chromatography

    • 468 Words
    • 2 Pages
    Good Essays
  • Better Essays

    Chromatography Lab Report

    • 677 Words
    • 3 Pages

    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 alcohol on your clothes‚ and if you break a test tube you don’t get glass on you. Procedure: See-attached handout. Results: See chromatography with Audrey’s lab report.

    Premium Food coloring Color E number

    • 677 Words
    • 3 Pages
    Better Essays
  • Good Essays

    Chem Lab Chromatography

    • 558 Words
    • 3 Pages

    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: Different dyes are shown when separated by different concentrations of isopropyl alcohol. Discussion of Theory: Chromatography‚ resolution and selectivity played major roles in making the experiment work

    Premium Chromatography Chemical polarity Separation process

    • 558 Words
    • 3 Pages
    Good Essays
Page 1 6 7 8 9 10 11 12 13 50