• Construction of a Standard Curve for the Determination of Protein Concentration
    Construction of a Standard Curve for the Determination of Protein Concentration 09/13/12 PCB 3023-007 Results Figure1: Standard curve. This graph was constructed from the fixed amounts of Bovine Serum Albumin (BSA). Varying amounts of BSA at a concentration of .5µ/µl were mixed with th...
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  • Measuring Concentration of Vitamin C
    Title Measuring the concentration of vitamin C Research Question What is the effect of cooking on the amount of vitamin C in foods? Apparatus and Materials Refer to the hand out paged 98. Methodology Refer to the hand out paged 98. Data Collection Table for volume of each type of ju...
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  • Determination of the Concentration of Acetic Acid in Vinegar
    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 sodiu...
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  • QUANTITATIVE DETERMINATION OF COPPER CONCENTRATION IN AQUEOUS SOLUTION BY IODOMETRIC TITRATION
    EXPERIMENT 8 QUANTITATIVE DETERMINATION IODOMETRIC TITRATION OF COPPER CONCENTRATION IN AQUEOUS SOLUTION B Y RESULTS AND DISCUSSION Considered as moderately weak oxidizing agent, Iodine was used for the determination of strong reductants. Standard iodine solutions were found to...
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  • Comparative Study of the Concentration Dependence of Different Softdrinks Using Refractive Index
    Comparative Study of the Concentration Dependence of Different Softdrinks Using Refractive Index ____________________________ A Research Presented to the Faculty of Holy Trinity College, Puerto Princesa City ______________________________ In Partial Fulfillment of the Requirements For t...
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  • Determination of the Solid-Liquid Phase Diagram for Napthalene-Biphenyl Using Thermal Analysis
    Experiment #1: Determination of the Solid-Liquid Phase Diagram for Napthalene-Biphenyl Using Thermal Analysis Objective To apply thermal analysis to the two-component system, naphthalene-biphenyl at atmospheric temperature. The analysis will be represented by a solid-liquid phase...
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  • Titrametric Determination of Vitamin C
    Ex.3, Pre Lab, CHM326,Tuesday A.M. 9-18-12 Title: Standardization of NaOH and Determination of Acidity Content of Diet Mt.Dew Introduction: The primary standard KHP will be used to standardize a sodium hydroxide solution. The concentration of the the NaOH solution will then be used to determin...
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  • Determination of Copper(Ii) Concentration by Spectrophotometry
    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 CIT...
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  • Practical Report: Determination of Concentration Using a Standard Curve
    1 Practical report: Determination of concentration using a standard curve Introduction Spectrophotometer is an instrument that confirms the measurement of specified wavelength of light that passes through medium. The measurement of light absorbance by a solution is also done with spectrophomet...
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  • The Spectrophotometer Determination of Protein Concentrations and the Effects Sodium Dodecyl and Triton X100 Have on Protein Concentration.
    The Spectrophotometer Determination Of Protein Concentrations And The Effects Sodium Dodecyl Sulphate And Triton X-100 Have On Protein Concentration. INTRODUCTION Spectroscopy is used as a collective term for all the analytical techniques based on the interaction of light and matter. Spectropho...
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  • Spectrophotometric Determination of Iron in Vitamin Tablets
    Lab 2: Spectrophotometric Determination of Iron In Vitamin Tablets Objectives: - To determine the amount of iron in a generic vitamin tablet on a per tablet (in grams) basis. - To prepare standards using a pre-made iron solution to help determine the iron content in our generic vitamin tablets...
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  • Chemistry Lab Report : Determination of Ascorbic Acid Content in Vitamin C Tablets
    EXPERIMENT 1 DETERMINATION OF ASCORBIC ACID CONTENT IN VITAMIN C TABLETS INTRODUCTION To calculate the mass of the ascorbic acid and hence the mass percentage of ascorbic acid in the vitamin C tablet. PROCEDURES (Refer to Lab Manual) 1. Accurately weight vitamin C (effervescent type...
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  • Determination of an Unknown Concentration of Potassium Manganate Using Colorimetry
    Determination of an Unknown Concentration of Potassium Manganate using Colorimetry Introduction The purpose of this experiment is to conclude the concentration of an unknown solution using colorimetry to plot a calibration curve. Colorimetry measures the absorption of light at wavelengths with...
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  • The Spectrophotometer Determination of Protein Concentrations and the Effects Sodium Dodecyl and Triton X100 Have on Protein Concentration.
    Summary 220 The relationship between total acidity, titratable acidity and pH in wine By: Roger Boulton In: American Journa l of Enology and Viticulture. 31(1): 76-80. 1980 • This is an older paper, but worth revisiting given the impact of a wine’s acid composition a pH on so many parameters...
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  • Determination of Critical Micelle Concentration
    | Determination of the Critical Micelle Concentration | | | | Introduction: Purpose: The purpose of this experiment is to use the Conductometric method to determine the critical micelle concentration of SDS. Materials and Equipment: * SDS- Sigma Aldrich, Lot: 38H0080, S...
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  • Spectrophotometric Determination of Ascorbic Acid Concentration in an Unknown Solution
    Spectrophotometric determination of Ascorbic acid Concentration in an Unknown Solution Introduction: The naturally occurring organic compound with antioxidant properties is Ascorbic acid shortly referred as (AA). Normally the color of Ascorbic acid is white, but in some cases of impure...
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  • Acid Determination of Vitamin C
    Acid Determination of Vitamin C Tablets and Salt Solutions Chem 1290-016 03-05-2010 ------------------------------------------------- Purpose: The purpose of this lab was to use acid-base titrations to find the mass percent of ascorbic acid in a Vitamin C tablet. A known concentration of s...
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  • determination of vitamin c content of tablet
     DETERMINATION OF VITAMIN C CONTENT IN COMMERCIAL (CENOVIS) TABLET ABSTRACT In this experiment, the vitamin C content of a commercial tablet is determined and compared with the manufacturers’ specification. Vitamin C is water-soluble and is an enantiomer of ascorbic acid. (Commercial...
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  • What Effect Will the Concentration of Hydrochloric Acid Have on the Rate of Reaction Between Hydrochloric Acid and Magnesium?
    Introduction In this chemical reaction, the magnesium will dissolve in the hydrochloric acid to produce hydrogen gas. This is because magnesium is higher than hydrogen in the reactivity series. Therefore, when the two reactants are combined, a displacement reaction occus and the magnesium displac...
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  • Vitamin C
    An experiment to investigate the enzyme concentration and rate of reaction Background To carry out our experiment we used 3 different types of orange juices, and we also used 0.1% of vitamin C solution. The aim of our experiment was to see how much DCPIP was needed to be added to make the orange...
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