"Determination of the concentration of vitamin c by using the dcpip test" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 7 of 50 - About 500 Essays
  • Good Essays

    Vitamin C Content of Apple Juice Introduction Complete lack of ascorbic acid (a.k.a Vitamin C) in the diets of humans and other primates leads to a classic nutritional disease‚ scurvy. This disease was widespread in Europe during the fifteenth and sixteenth centuries‚ but it is rare today. Ascorbic acid is widely distributed in nature‚ but it occurs in extremely high concentrations in citrus and green plants such as green peppers and spinach. Ascorbic acid can be synthesized

    Premium Vitamin C Ascorbic acid

    • 785 Words
    • 4 Pages
    Good Essays
  • Powerful Essays

    Biology SL Internal Assessment What is the effect of heat on vitamin C concentrated in lemon juice?  Introduction: “Vitamins are complex organic substances that are needed in very small amounts for many of the essential processes carried out in the body.” 1It is estimated and supported scientifically that only a few mg are filling the daily recommendation‚ which is essential for a healthy living. As most of vitamins cannot be produced by our bodies‚ we need to obtain them from

    Premium Vitamin C

    • 2285 Words
    • 10 Pages
    Powerful Essays
  • Better Essays

    PRACTICAL 7 TITLE : DETERMINATION OF ERYTHROSINE CONCENTRATION USING UV- VISIBLE SPECTROPHOTOMETER INTRODUCTION In chemistry‚ spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. It is more specific than the general term electromagnetic spectroscopy in that spectrophotometry deals with visible light‚ near-ultraviolet‚ and near-infrared‚ but does not cover time-resolved spectroscopic techniques. Spectrophotometry

    Premium Spectroscopy Chemistry Light

    • 1116 Words
    • 5 Pages
    Better Essays
  • Powerful Essays

    QUANTITATIVE DETERMINATION OF COPPER (II) CONCENTRATION BY SPECTROPHOTOMETRY D.DEL PRADO1‚ J. BELANO1‚ M.MAHUSAY2‚and M.FRANCISCO2 1 DEPARTMENT OF FOOD SCIENCE AND NUTRITION‚ COLLEGE OF HOME ECONOMICS 2INSTITUTE OF CHEMISTRY‚ COLLEGE OF SCIENCE UNIVERSITY OF THE PHLIPPINES‚ DILIMAN‚ QUEZON CITY 1101‚ PHILIPPINES DATE SUBMITTED: 12 MARCH 2013 DATE PERFORMED: 7 MARCH 2013 ------------------------------------------------- ------------------------------------------------- ABSTRACT -------------------------------------------------

    Premium Chemistry Solution Spectroscopy

    • 2691 Words
    • 11 Pages
    Powerful Essays
  • Good Essays

    Test and C-fat

    • 747 Words
    • 3 Pages

    What is C-FAT? A: C-FAT is truncated for Corporate Bridge Financial Aptitude Test. It is an Online Test that Corporate Bridge Conducts across B-Schools all over India every year. Thousands of students from Top Colleges and B-Schools Worldwide participate in this Test. Based on performance in C-FAT‚ Top students are selected and certified by Corporate Bridge. Along with this‚ top candidates are also given scholarships in Corporate Bridge’s coveted Live Project. Q: What is the Fee for the C-FAT exam

    Premium Aptitude Question

    • 747 Words
    • 3 Pages
    Good Essays
  • Powerful Essays

    Determination of the Concentration of Acetic Acid in Vinegar Lab Exercise 4 CHEM 1106 9/19/12 Purpose: Standardize a sodium hydroxide solution using a primary standard acid. Determine the molarity and the percent by mass of acetic acid in vinegar by titration with the standardized sodium hydroxide solution. Introduction: Vinegar is a dilute solution containing acetic acid. Since vinegar has a low pH‚ it can be titrated with a base. Titration is a method used in order to ascertain

    Premium Acid Acetic acid PH

    • 926 Words
    • 4 Pages
    Powerful Essays
  • Satisfactory Essays

    The Effect of Vitamin C on Plant Growth Aim: To determine the effect of salt/ sugar/ caffeine/ vitamin C on seed germination. Hypothesis: The plant will grow slowly or die due to the Vitamin C. Equipment: * 2 cups * 2 measuring cups * Water * Vitamin C/ orange Juice * Soil * 4 seed (2 for each cup) * A ruler Method: 1. Pour ¾ of soil into each cup 2. Plant 2 seeds into each cup. Put it about half way down the soil 3. Mix 1mL of orange juice with 5mL

    Free Seed Plant morphology Fruit

    • 297 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    provides the most vitamin C? In my investigation I plan to find out how much vitamin C there is in orange juice‚ pineapple juice and tropical juice and then compare my results to find out which juice has the most vitamin C. The independent variable is the type of juice and the dependant variable is the volume of fruit juice needed to decolourise 1cm3 Of 1% DCPIP solution. DCPIP solution can be used to measure the amount of vitamin C in each juice as an antioxidant (like vitamin c) reduces the blue

    Premium Vitamin C Juice Fruit

    • 635 Words
    • 3 Pages
    Satisfactory Essays
  • Good Essays

    Laboratory exercise 3 : Quantitative analysis of vitamin C contained in a fruit juice Aim: To investigate the amount of vitamin C found in all kinds of fruit juice Introduction : Vitamin C is an antioxidant‚ along with vitamin E‚ beta-carotene‚ and many other plant-based nutrients. Antioxidants block some of the damage caused by free radicals‚ substances that damage DNA. The build-up of free radicals over time may contribute to the aging process and the development of health conditions such as

    Premium Vitamin C Vitamin Fruit

    • 902 Words
    • 4 Pages
    Good Essays
  • Powerful Essays

    ANALYSIS OF VITAMIN C IN COMMERCIAL FRUIT JUICES BY IODOMETRIC TITRATION. SHAMSUL AZRIN BIN MD. KANAFE Final Year Project Report Submitted in Partial Fulfilment of the Requirement for the Degree of Bachelor of Science (Hons.) Chemistry in the Faculty of Applied Sciences‚ Universiti Teknologi MARA. APRIL 2009 This Final Year Project Report entitled “ANALYSIS OF VITAMIN C IN COMMERCIAL FRUIT JUICES BY IODOMETRIC TITRATION” was submitted by Shamsul Azrin Bin Md. Kanafe‚ in partial

    Premium Vitamin C Iodine

    • 3511 Words
    • 15 Pages
    Powerful Essays
Page 1 4 5 6 7 8 9 10 11 50