3ironintotal

3ironintotal - C118 Laboratory Determination of Iron in...

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Determination of Iron in Total Cereal Worksheet – 25 Points Name________________________ Lab Partner___________________ 1. (1 pt.) An adequate supply of minerals (ions or inorganic compounds) is essential for good health. List some of the functions of iron in the body. 2. (2 pts.) What is the difference between heme and nonheme sources of iron? Refer to chemical structures as well as differences in absorption in your answer. 3. (2 pts.) What other minerals are present in Total cereal? List their functions in the body. What form of these minerals are present in the cereal? 4. (2 pts.) Record observations from the various steps in the experiment. a) Appearance of Teflon stir bar after it has been removed from cereal slurry. b) Addition of concentrated aqueous HCl (during and after dissolution of iron) c) After addition of color forming agent 2,2 dipyridyl to standards and sample
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3ironintotal - C118 Laboratory Determination of Iron in...

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