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  Home > JCE Print > Journal of Chemical Education > Issues > 2005  > November  >
Chemistry for Everyone
JCE DigiDemos: Tested Demonstrations
The Oxidation of Iron in a Gel Using Consumer Chemicals
Stephen W. Wright
Pfizer Global Research and Development, Groton, CT 06340

Marsha R. Folger and Ryan P. Quinn
Lyme–Old Lyme High School, Old Lyme, CT 06371

checked by

Frederick C. Sauls
Department of Chemistry and Physics, King's College, Wilkes-Barre, PA 18711

Diane Krone
Northern Highlands Regional High School, Dumont, NJ 07628

Cover
November 2005
Vol. 82 No. 11
p. 1633
Abstract
The classic demonstration of the corrosion or oxidation of a steel nail in an agar gel may be conducted using inexpensive chemicals that are commonly available to the consumer on the retail market. The ferric ion produced is detected with salicylate to give a garnet-red color at the anodic areas where oxidation of iron occurs.
More Information
*  Citation
 Wright, Stephen W.; Folger, Marsha R.; Quinn, Ryan P. J. Chem. Educ. 2005 82 1633.
*  Keywords
 Consumer Chemistry; Demonstrations; Descriptive Chemistry; Distance Learning / Self Instruction; Electrochemistry; Elementary / Middle School Science; General Public; Hands-On Learning / Manipulatives; High School / Introductory Chemistry; Inorganic Chemistry; Iron; Laboratory Instruction; Metals; Oxidation / Reduction; Public Understanding / Outreach
*  History
 Created:
Last Updated:		 9/22/2005
9/29/2005
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