Determination of the vitamin C content of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.
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ESSAY DETAILS
Words: 2749
Pages: 10
(approximately 235 words/page)
Pages: 10
(approximately 235 words/page)
Essay Database > Science & Technology > Chemistry
IMMNAUEL LUTHERAN COLLEGE
S6 Chemistry Name: Hramar ( 7 )
Experiment 7 : Analysis of commercial vitamin C tablet
Title: Determination of the vitamin C content (ascorbic acid) of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.
Theory :
In this experiment, we have to determine the vitamin C content of a commercial vitamin C tablet which is the mass of ascorbic acid in the tablet. As iodine is a weak oxidizing agent …
showed first 75 words of 2749 total
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showed first 75 words of 2749 total
showed last 75 words of 2749 total
…using potassium iodate solution, we can use iodine solution directly for titration. Although the iodine has low solubility, it can still be prepared by dissolving iodine in a small volume of concentrated solution of potassium iodide. To ensure complete solution, care should be taken to avoid dilution of the concentrated solution until the last piece of solid iodine has disappeared. This can be done by filtering the solution through a sintered glass crucible before standardization.
…using potassium iodate solution, we can use iodine solution directly for titration. Although the iodine has low solubility, it can still be prepared by dissolving iodine in a small volume of concentrated solution of potassium iodide. To ensure complete solution, care should be taken to avoid dilution of the concentrated solution until the last piece of solid iodine has disappeared. This can be done by filtering the solution through a sintered glass crucible before standardization.
