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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > July  >
In the Classroom
Chromium Pollution: An Experiment Adapted for Freshman Engineering Students
Penny Seymour
Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
Cover
July 1999
Vol. 76 No. 7
p. 927
Abstract
An environmentally oriented experiment has been adapted for use in a freshman engineering laboratory. Students analyze water samples contaminated with Cr(VI) to determine which of several industries appears to be the source of the contamination. The adaptation involves requiring the students to develop the analytic procedure themselves, rather than working from a prepared set of instructions, and then to report the results as a letter plus appendices, including general recommendations for remedial action, directed to the client who contracted the investigation.
Supplement
A student handout and notes for the instructor are available as supplement material. The documents are WordPerfect 6.1 files named "chromtek.jce" and "chromex.jce" and have been compressed into both zip (for Windows) and sit (for Macintosh) files. The material can also be accessed as a pdf file using Acrobat Reader.
*  Contents
*  Download
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supp927.sit

supp927.pdf
More Information
*  Citation
 Seymour, Penny. J. Chem. Educ. 1999 76 927.
*  Keywords
 Chemical Engineering; Environmental Chemistry; Problem-Based Learning; Laboratory Instruction
*  History
 Created:
Last Updated:		 June 9, 1999
November 22, 2005
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