Analysis of commercial vitamin C tablets Objective To determine the vitamin C content in commercial vitamin C tablets by titration between vitamin C (ascorbic acid) & iodine solution. Hence‚ compare this data with the manufacturer ’s specification. Principle In this analysis‚ certain amount of iodine solution‚ which is known in excess‚ is added to acidified ascorbic acid solution. Brown iodine can be easily reduced by acidified ascorbic acid to form colourless iodide ion:
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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
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1 WHY DO PEOPLE TAKE VITAMINS? Why Do People Take Vitamins? Tanya Goodden Thammasat University Author Note ID: 5306643xxx Business English Communication Program‚ Thammasat University. Correspondence concerning this paper should be addressed to Tanya Goodden‚ Business English Communication Program‚ Thammasat University‚ Thailand. E-mail: xxx@hotmail.com EB 333 2 WHY DO PEOPLE TAKE VITAMINS? Abstract This research was performed to determine the main factor that influences people‟s
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BIOLOGY LAB REPORT TITLE: DETERMINING THE VITAMIN C CONTENT IN VARIOUS FRUIT JUICE PREPARED BY: NOR HUSNA BINTI MOHD ROSLI CLASS: SC3 (ALUK 11) IC NUMBER: STUDENT ID: LECTURER’S NAME: MADAM ZAKIAH BINTI ZAKARIA SUBMISSION DATE: 22 AUGUST 2013 OBJECTIVES: To investigate the vitamin C content in various fruit juices which is based on the graph’s curve obtained. INTRODUCTION [pic] Vitamin C‚ or also known as ascorbic acid (L-ascorbic and L-dehydroascorbic
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Although many of us studying behavior want to accept the hypothesis; taking vitamins causes crime‚ there are many possible factors we need to consider before confirming the hypothesis to be true. By avoiding the “correlation versus causation fallacy‚” illustrated in the textbook‚ the newspaper article lacks sufficient evidence to conclude vitamins as a cause to the increase in crime reports. By conducting an experimental design‚ researchers can test if there’s any correlation between the two variables
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: The Vitamin C Content of Fruit Juices Lecturer : Madam Rita Rohaizah binti Sohari TITLE: THE VITAMIN C CONTENT OF FRUIT JUICES INTRODUCTION Vitamin C which is also known as ascorbic acid is an essential nutrient for human. It is a water-soluble vitamin that is necessary for normal growth and development. Water-soluble vitamins dissolve in water. Leftover amounts of the vitamin leave the body through the urine. That means a continuous supply of vitamin is needed in daily
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Vitamins vs. chemotherapy and radiation for cancer therapy We have a general understanding of cancer--one-third of cancer patients die in five years. (1) With present therapies‚ only slow annual improvement is expected. Vitamins have been extensively demonstrated in clinic trials. (2)‚ (3) Vitamins can strengthen the immune system to improve regular therapies and safely kill cancer. Here we compare cancer therapy by multivitamins with radiation and most chemotherapies. The big question is: Why are
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Chemicals Vitamin C tablet‚ (1) standard 0.0110 M potassium iodate (KIO3) solution‚ (100 cm3) standard 0.060 M sodium thiosulphate solution‚ (Na2S2O3‚ 160 cm3) 1 M potassium iodide solution‚ (KI‚ 20 cm3) 0.5 M H2SO4‚ (150 cm3) freshly prepared starch solution. Apparatus Titration apparatus Principle In this experiment you are required to determine the vitamin C content of a commercial tablet and compare this with the manufacturers specification. Vitamin C is ascorbic acid‚ which is rapidly and quantitatively
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or if they even need it.These persuasive techniques can also be used negatively or positively and because of this can impact or influence their viewers’ way of thinking or percieving things.Such can be seen in the vitamin water advertisement.By using transfer and emotional words‚ vitamin water has created an untruthful and unpersuasive ad. To demonstrate an advertisement using persuasive techniques‚ I
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much of a good thing is an adage that can apply to vitamins. The body needs vitamins to function properly‚ but high doses of certain vitamins can be toxic‚ especially fat soluble vitamins that the body stores for long periods of time. Water Soluble Vitamins Water-soluble vitamin toxicity is rare because the body does not store water-soluble vitamins and excess amounts are usually excreted in urine. Side effects associated with water-soluble vitamins occur due to intake of extremely high doses. Peripheral
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