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  Home > JCE Print > Journal of Chemical Education > Issues > 2005  > November  >
In the Classroom
JCE Classroom Activity
Trusty or Rusty? Oxidation Rate of Nails
Stephen W. Wright
Pfizer Global Research and Development, Groton, CT 06340
Cover
November 2005
Vol. 82 No. 11
p. 1648A
Abstract
In this Activity, students investigate the process of rusting using supermarket chemicals: unflavored gelatin, table salt and backache pain reliever tablets. A gelatin mixture is prepared and steel nails are placed in the gelatin and allowed to react with atmospheric oxygen. Ferric ion produced by the oxidation is made visible as a garnet-colored complex by magnesium salicylate present in the backache tablets. Factors that accelerate or retard the rate of iron oxidation are studied.
More Information
*  Citation
 Wright, Stephen W. J. Chem. Educ. 2005 82 1648A.
*  Keywords
 Consumer Chemistry; Demonstrations; Descriptive Chemistry; Distance Learning / Self Instruction; Elementary / Middle School Science; General Public; Hands-On Learning / Manipulatives; High School / Introductory Chemistry; Iron; Metals; Oxidation / Reduction
*  History
 Created:
Last Updated:		 9/22/2005
9/29/2005
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