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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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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HSM 240 April 6‚ 2013 Benefit Types Checkpoint The United Way is an agency that helps families out in ways to improve their current living situations by various programs. It is the leadership and support organization for the network of nearly 1‚800 community-based United Ways in 40 countries and territories. We advance the common good by focusing on improving education‚ helping people achieve financial stability‚ and promoting healthy lives‚ and by mobilizing millions of people to give‚ advocate
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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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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 vitamin C is often a mixture of ascorbic acid and other ascorbates.) Ascorbic acid‚ C6H8O6‚ is a reducing agent that reacts rapidly with iodine (I2). As the iodine is added during the titration‚ the ascorbic acid is
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abnormally low body weight is often masked by water retention‚ which makes the face moon-shaped and the belly swollen. Deficiency diseases are usually associated with lack of vitamins or minerals. The effects of a vitamin or mineral deficiency on the body depend on the function of the particular nutrient lacking. For example‚ vitamin A is
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Sometimes communities have to be resettled‚ with government sanction‚ in order for important mineral deposits to be accessed. This can cause controversy and divisions in the communities concerned. International best practice sets out a number of key stages in such a process including the need for structured consultation‚ fair compensation and the importance of restoring and enhancing the livelihoods of people in their new locations. Recently Anglo American has had to undertake two such relocations
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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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disease young children are at risk for is rickets. Rickets is caused by a vitamin D‚ calcium‚ and phosphorus deficiency. Rickets is the softening and weakening of the bones in children. Skeletal deformities and fractures can occur because the bones are so soft and weak. Rickets is seen during periods of rapid growth because during growth a great deal of vitamin D‚ phosphorus‚ and calcium are needed. “The predominant cause is a vitamin D deficiency‚ but lack of adequate calcium in the diet may also lead
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