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Published byAugusta Glenn Modified over 9 years ago
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Analysis of Tropicana Orange Juice for Calcium & Vitamin C Kate Penrod & Ashley Kimble
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Objective Calculate Calcium content Calculate Vitamin C content Compare to Tropicana’s claims
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Importance of Experiment Calcium – Most abundant mineral – Regulates cellular processes Vitamin C – Reducing agent – Antioxidant
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Failed Procedures Procedure 1 – No filtration – No dilution Procedure 2 – Filtration through glass wool – Dilution with water Procedure 3 – Filtration through glass wool – Dilution with water – Centrifuge
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Procedure Procedure 4 – Filtration through glass wool – Dilution with HCl – Centrifuge
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EDTA Titration of Tropicana Calcium Plus D
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EDTA Titration of Tropicana Calcium Plus D (Spiked)
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Iodimetric Titration of Tropicana Calcium Plus D
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Iodimetric Titration of Tropicana Calcium Plus D (Spiked)
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Iodimetric Titration of Tropicana Regular
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Iodimetric Titration of Tropicana Regular(Spiked)
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Discussion & Conclusion Must simulate digestion Particles interfere with endpoint 6% DV Magnesium Vitamin C particles potentially large Vitamin C spike?
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