Iron in Cereal

 

 

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

ericcamp@uw.edu

 

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