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Boning Up on Calcium—Microscale Analysis of Calcium in Milk—Student Laboratory Kit

By: Bob Lewis, Retired, Downers Grove North H.S., Downers Grove, IL, and John Little, St. Mary’s H.S., Stockton, CA

Item #: AP6122

Price: $32.70

With the Boning Up on Calcium—Microscale Analysis of Calcium in Milk Consumer Chemistry Laboratory Kit, students determine how much calcium is present in a typical serving of milk! The microscale titration analysis is easy to perform and gives reliable results.

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Product Details

Healthy body, good teeth, strong bones—the benefits of calcium in proper nutrition are well known. Why is milk promoted as an important source of calcium? Explore the chemistry behind the nutrition with this experiment that measures the amount of calcium in milk. Students measure the quantity of standard EDTA solution that reacts with calcium ions in milk and determine how much of this essential mineral is present in a typical serving of milk. The microscale titration analysis is fast and easy to perform and gives reliable, repeatable results. Class enthusiasm runs high as students compare the accuracy of their results with the information provided on the nutritional label for milk. Includes reproducible student handouts, detailed background information, complete Teacher Notes and all chemicals and consumable supplies.

Complete for 30 students working in pairs. Fresh skim milk (one cup per class) is required but not provided. Fifteen reusable 24-well reaction plates are recommended and available separately.