Materials:
Iron fortified cereal {those with labels “reduced iron” or “100% iron”}
3L beaker
Large white stirring bar and retriever
Stir plate
Procedure:
Put about 3 cups of cereal into beaker. Add water until cereal becomes soggy.
Put in clean white stir bar and stir with magnetic stirrer for about 10-15 min.
Remove stirring bar from beaker and note the slivers of iron covering magnet.
Discussion:
NOTE: Humans cannot absorb metallic iron. However, metallic iron reacts with HCl in stomach to produce Fe(II)
To schedule a demonstration, please send an email to the demonstration lab.
Contact:
Eric Camp
Lecture Demonstration Technician
Bagley Hall 171
(206) 543-1606