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  Home > JCE Print > Journal of Chemical Education > Issues > 1995  > October  >
Laboratory Experiments
Synthesis and Characterization of Potassium Tris(oxalato)ferrate(III) Trihydrate: A Spectrophotometric Method of Iron Analysis
Richard F. Dallinger
Wabash College, Crawfordsville, IN 47933
Cover
October 1995
Vol. 72 No. 10
p. 936
Abstract
A previous Journal article [J. Chem. Educ. 1984, 61, 1098--1099] described a potassium tris(oxalato)ferrate(III) trihydrate empirical formula experiment that offered an excellent integrative experience in synthesis and characterization for general chemistry laboratory students. However, we have introduced a fast and accurate spectrophotometric method for the determination of iron in the product that takes the place of the photochemical-gravimetric procedure described in the article. Besides the pedagogic interest of bringing three different types of chemical analysis (titrimetric, gravimetric, and spectrophotometric) to bear on one compound, the new iron determination allows students to complete the experiment in 2, 3-hr laboratory periods rather than the 5 periods allotted in the original experiment.
More Information
*  Citation
 Dallinger, Richard F. J. Chem. Educ. 1995 72 936.
*  Keywords
*  History
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Last Updated:		 10/1/1999
5/22/2006
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