rpprosal1st

rpprosal1st - Steven Hagedon, Danielle Nguyen,...

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Steven Hagedon, Danielle Nguyen, Grishma Sheth, Ashley Cox Yan Zhao Chemistry 104B-027 10 Mar. 2008 First Draft of Research Project Introduction The object of this research project is to determine the amount of ascorbic acid and iron concentrations within common fruit and vegetable drinks. These components are helpful to replenish nutrients in anemic people. The first technique to be used is the determination of ascorbic acid. Ascorbic acid technique is an acid-base titration that requires DCPIP as the titrant and the diluted samples as the analyte. The titrant serves as the indicator, because when DCPIP is red, the solution is acidic and when blue, it is basic. The sample with the highest tested [ascorbic acid] would be the best for an anemic person to drink, due to its properties of helping the body to absorb iron. The second technique to be used is the iron determination technique. This technique uses absorption spectroscopy to determine the [Fe 3+ ] in the sample solution. It is important to understand Beer’s Law,
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rpprosal1st - Steven Hagedon, Danielle Nguyen,...

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