"Iodine persulfate" Essays and Research Papers

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    Lab Report for Food Test

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    INTRODUCTION: Carbohydrates are the product that made up from carbon‚ hydrogen and oxygen. Carbohydrates are form by the combination of carbon dioxide and water molecules. The carbohydrates contain two specific functional group in it which is the hydroxyl groups and carbonyl groups.A reducing sugar is a type of sugar with is an aldehyde group.This means that sugar can act as a reducing agent.The procces of reducing sugar is isomerisation‚example of reducing sugar islactose

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    The Fukushima Nuclear Power Plant accident caused ecological problems. Abstract The Fukushima nuclear accident triggered a large-scale nuclear leak‚ which has had an immeasurable impact on the global ecological environment. This article addresses‚ in depth‚ features of the Fukushima Nuclear Power Plant accident: during the incident‚ the impact of the incident‚ and aspects of the aftermath. Through an analysis of the Fukushima Nuclear Power Plant accident‚ certain referential and significant

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    pH of 7. In the experiment I have used buffer solutions with the pHs of 2.8‚ 4 and 6.5. I have also used iodine and starch. Normally‚ iodine is orange-yellow‚ however when you add starch to it‚ the solution will turn blue-black. Aim: The aim for this experiment is to investigate how the different buffer solutions work on the enzyme amylase. This will be investigated by using iodine and by timing the experiment using the colorimeter and the program Loggerlite. Hypothesis: The pH

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    chemical tests‚ such as solubility‚ pH‚ or color tests. In our group we had to test come common powders such as Alka-Seltzer‚ baking soda‚ flour‚ Vitamin C (ascorbic acid)‚ and salt. Other chemicals that were used to do this experiment were vinegar‚ and Iodine 2 Solution. The equipment used to do this experiment was red litmus paper‚ and 5 test tubes per group. After all materials were gathered‚ we then had to do five different tests to determine what the powder material does. The first test was to

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    Who Took Jerell’s iPod? Lab Purpose: Standardized Tests The purpose of testing the organic nutrients (vegetable oil‚ glucose‚ starch‚ powdered egg white) with each of the different indicators (brown paper towel‚ benedicts‚ iodine‚ biurets) was to determine the color it would turn with positive traces of the nutrient. The purpose of testing just the Distilled H2O was to determine the color it would turn with negative traces. Nutrient in the Different Foods The purpose of testing each of the

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    CHM130 Lab 3

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    CHM130 Lab 3 Identification of Chemical Change Name:      Paige Miller     A.  Data Table (24 points) Place your completed data table here: Reactants Predictions Before  Combining Observations After  Combining Starch + I2  I2 will turn Starch black  I2 turned starch black Food coloring + NaOCl  NaOCI will turn blue  Coloring and NaOCI did not combine‚ NaOCI separated to the bottom Food coloring + CH3COOH  CH3COOH will turn blue  CH3COOH darkened the blue color Food coloring + NaOCl + CH3COOH  Will

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    ENZYMES

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    at a certain point. Materials: · 4 x test tubes · 5mL Diastase · 5mL Water · 10mL 2% Starch Suspension. · Pipette · 2 x Spotting tiles · Large Beaker filled with water of assigned temperature · Thermometer · Iodine · Marker Method: ======= 1. The test tubes were collected and labelled W‚ S‚ A and B. 2. To the tube labelled W‚ 5mL of water were added and to S‚ the Diastase. In tubes A and B‚ 5mL each of 2% Starch Suspension was added

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    Lim‚ Jean Rya Que 2013 – 72199 ATQ 1 – Qualitative Analysis of Carbohydrates Data Sheet: A. Osazone Formation Crystals Formed? (hot) Crystals Formed? (Cold) 5% sucrose Yes (orange) Yes (yellow) 5% glucose Yes (orange) Yes (yellow) 5% fructose Yes (brown) Yes (brown) 5% maltose Yes (orange) Yes (gold) B. Molisch Test Color of Junction Glucose Purple Sucrose Purple Starch Purple C. Bial’s Test Color Change Ribose Yellow -> Dirty Green Glucose Yellow -> Dark Yellow D. Seliwanoff’s Test Observation

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    #3. Name the types of microscopes. Simple Microscopes Compound Microscopes Scanning Electron Microscope Transmission Electron Microscope #4. Identify these stains: (Functions and Reagents) Simple Stain- CULTURES: Staphylococcus epidermis slant Bacillus megaterium broth MATERIALS USED: Methylene blue‚ Distilled water‚ Slide‚ Inoculating Loop FUNCTION: To observe shape size‚ morphology‚ and arrangement. ---FROM SOLID: (slant) 1. Mark the smears on the underside

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    change occur in the jar water? Because IKI was added to give it an amber color (gold color). It iodine solution and this caused the color change. 4. What does the color change in #3 indicate? Water and IKI was in jar and the iodine caused the color change of the water. 5. Why did a color change occur in the dialysis tubing bag? In the bag there was water‚ sugar (glucose) and starch. When IKI (iodine) comes into contact with the starch the contents in the bag turned blue. This IKI was able to

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