Determination of the vitamin C content of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.
Title: Determination of the vitamin C content of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.
Category: /Science & Technology/Chemistry
Details: Words: 2749 | Pages: 10 (approximately 235 words/page)
Determination of the vitamin C content of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.
Category: /Science & Technology/Chemistry
Details: Words: 2749 | Pages: 10 (approximately 235 words/page)
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
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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.