"Ethyl acetate" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 23 of 50 - About 500 Essays
  • Satisfactory Essays

    would decrease. 3. The cold water was used to decrease the solubility of Luminol in the solvent and prevent further reactions‚ if hot water was used the efficacy of the filtration would decrease. 4. When isolating the Luminol solid solvents like ethyl acetate and DCM should not be used because it would have dissolved (like dissolves like) in these solvents

    Premium Chemistry Ethanol Oxygen

    • 316 Words
    • 2 Pages
    Satisfactory Essays
  • Powerful Essays

    Lllk, Lmk

    • 2301 Words
    • 10 Pages

    equipment: 1 5-cm x 8-cm TLC plate‚ 2 capillary micropipettes‚ TLC tank and lid‚ ruler‚ UV lamp Extraction Equipment: spatula‚ 2 small test tubes‚ Pasteur pipet and bulb Chemicals: caffeine‚ ethanol‚ dichloromethane‚ TLC solvent (5% acetic acid in ethyl acetate) Meltemp apparatus and capillary tube Three of the following samples for analysis: diet cola‚ diet lemon-lime soda‚ analgesic pill‚ instant coffee‚ instant iced tea Purpose In this experiment‚ thin-layer chromatography (TLC)‚ a standard technique

    Premium Thin layer chromatography Caffeine

    • 2301 Words
    • 10 Pages
    Powerful Essays
  • Powerful Essays

    I. Product Background A. Introduction In this highly luxurious extravagant world‚ food and other beverages has always been one of the things which maintain the mainstream of life. Aside from being one of the basics for survival‚ gatherings are also made perfect by food preparation and stress is now often associated with food. This activities show that food intake nowadays is far different from the conventional times. Furthermore‚ this lavish lifestyle most of the people have results in an

    Premium Agar plate Null hypothesis Flower

    • 1258 Words
    • 6 Pages
    Powerful Essays
  • Better Essays

    What is the Difference between Flammable and Combustible Liquids? Put simply‚ flammable and combustible liquids are liquids that can burn. The real difference lies within their flash point range‚ or lowest temperature at which vapours of the material will ignite when supplied with an ignition source. Flammable and combustible liquids are utilised in most workplaces‚ from manufacturing to retail and service entities. To ensure the safety of property‚ people‚ and the environment‚ both flammable

    Premium Ethanol Ethanol Gas

    • 1051 Words
    • 5 Pages
    Better Essays
  • Good Essays

    Soap Lab

    • 1210 Words
    • 10 Pages

    Project 17: Soaps and Detergents    Stephanie Futrell  Kelsey Duncan  Tom Bunch  Antwyone Clayborne    Chemistry 1020 Laboratory‚ Section 007   Instructor: Fan Yang  September 23‚ 2014                      Our signatures indicate that this document represents our own work. Excluding  shared data‚ the information‚ thoughts and ideas are my own‚ except as indicated  in the references.           Goals  There was another oil spill that covered local birds in oil. The environmental  group stepped in to help make their own soap

    Premium Water

    • 1210 Words
    • 10 Pages
    Good Essays
  • Best Essays

    Production Of Lyco Cookies

    • 1823 Words
    • 9 Pages

    Optimization of extraction of lycopene for production of lyco-cookies Short running title : PRODUCTION OF LYCO-COOKIES Keywords : antioxidant‚ carotenoids‚ n-hexane‚ cookies‚ supplement Meena Vankudre*‚ Vina D. L. Putra and Vaibhav Zamare Department of Biotechnology‚ Sinhgad College of Science‚ Affiliated to University of Pune‚ Ambegaon (BK)‚ Pune 411041‚ India *Author for correspondence e-mail : meenahv@gmail.com Abstract In today’s world‚ people tend to be exposed to unhealthy

    Premium Lycopene Tomato Antioxidant

    • 1823 Words
    • 9 Pages
    Best Essays
  • Satisfactory Essays

    CH3COOH Assay of Aspirin capsules Aqueous Alkalimetry Residual titration 0.1N NaOH Phenolphthalein TS C6H4OCOCH3COOH + NaOH C6H4OCOCH3COONa+ H2O Assay of Metacholine Chloride Non Aqueous Acidimetry Blank titration Perchloric acid Mercuric acetate TS Crystal violet TS 2 Cl- + Hg (OAC)2 + 2HClO4 2 ClO4- + 2HOAc + 2HgCl2 Assay of Phenytoin Non Aqueous alkalimetry Blank titration Sodium methoxide Saturated sol’n of Azo violet in Benzene H C6H5 N--C=O

    Premium Chlorine Sodium Ammonia

    • 498 Words
    • 6 Pages
    Satisfactory Essays
  • Good Essays

    Thin Layer Chromatography

    • 758 Words
    • 4 Pages

    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: A.spotting of the TLC plates 1.A TLC plates is obtained from my instructor. 2.the plate is set down on a clean‚dry surface then a line Is drawn lightly across the plate about 1cm from

    Premium Thin layer chromatography Acetic acid

    • 758 Words
    • 4 Pages
    Good Essays
  • Better Essays

    Atrazine Case Study

    • 1072 Words
    • 5 Pages

    Atrazine (1-chloro-3-ethylamino-5-isopropylamino-2‚ 4‚ 6-triazine‚ CAS: 1912-24-9) was purchased from Dr. Ehrenstorfer GmbH (97.7%‚ Germany). Ethyl acetate (99.8%‚ ANPEL Scientific Instrument (Shanghai) Co.‚ Ltd.) was used as solvent for standard solutions. Acetonitrile used as HPLC eluent was purchased from ANPEL Scientific Instrument (Shanghai) Co.‚ Ltd.‚ KH2PO4·12H2O‚ K2HPO4·2H2O‚ dichloromethane and other chemical reagents used in cultivated media were purchased from Sinopharm Chemical Reagent

    Premium Solvent Chemistry Ethanol

    • 1072 Words
    • 5 Pages
    Better Essays
  • Good Essays

    hidrocarbons

    • 711 Words
    • 4 Pages

    Name: Ana Cecilia Alcalá Bolio Registration: 2693441 Course title: Chemistry II Teacher’s name: Hugo Skyol Pliego Cortes Module: 1. Hydrocarbons in life. Activity: Homework 3 Date: January 30‚ 2013 Team: Doesn’t apply. Bibliography: Universidad TecMilenio. BlackBoard. Topic 3. http://bbsistema.tecmilenio.edu.mx/webapps/portal/frameset.jsp?tab_tab_group_id=_2_1&url=%2Fwebapps%2Fblackboard%2Fexecute%2Flauncher%3Ftype%3DCourse%26id%3D_109276_1%26url%3D Wikipedia.org. “Ethane” (2012)

    Premium Hydrocarbon Methane Hydrogen

    • 711 Words
    • 4 Pages
    Good Essays
Page 1 20 21 22 23 24 25 26 27 50