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- W2613776987 abstract "It has become customary at this University for the first year, nonchemistry major students, to conduct a survey involving the analysis of a consumer item and to perform a detailed statistical evaluation of the results. the ascorbic acid conten<of commercial orange juices. This studs had tu.0 aims: firstly to confirm that newly purchased juicecontained sufficient ascorbic acid to meet government standards (at present 40 mg/100 ml of juice), and secondly to establish the rate of aerial oxidation of this ascorbic acid when the juice was stored in a refrigerator. Students were interested in ascertaining if the juice represented a suitable source of Vitamin C after one or two weeks of storage. The Proled In view of the background of the students, it was considered appropriate to select a redox titrimetric procedure, and the most satisfactorv methods for determination of ascorbic acid ~~~ ~~~~~~~ ~~~~ . in orange juice were round to be those using the reagents 2,fi dichloroohenolindoohenol 12.6 DPIP)l and N-hromosucci- nimide (NBS).2 In order to provide comparison data for use in the statistical analysis section of the project, both of these reagents were used concurrently. The reaction of 2,6 DPIP with ascorbic acid is shown below. (Reduction)" @default.
- W2613776987 created "2017-05-19" @default.
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- W2613776987 date "1975-01-01" @default.
- W2613776987 modified "2023-09-26" @default.
- W2613776987 title "An analytical project" @default.
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- W2613776987 hasPublicationYear "1975" @default.
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