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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > December  >
In the Classroom
Tested Demonstrations
A Classroom Demonstration of the Formation of Aerosols from Biogenic Hydrocarbons
Jean M. Andino
Department of Environmental Engineering Sciences, University of Florida, Gainesville, FL 32611-6450

Timothy J. Wallington and Michael D. Hurley
Scientific Research Laboratories, Chemistry Department, Ford Motor Company, Dearborn, MI 48121

Richard P. Wayne
Physical and Theoretical Chemistry Laboratory, University of Oxford, Oxford OX1 3QZ, UK

Cover
December 2000
Vol. 77 No. 12
p. 1584
Abstract
A demonstration that illustrates the formation of particulate matter from a biogenic source is described. Ozone is allowed to react with the terpenes present in an orange peel. Products formed from the ozone-terpene reaction condense to form aerosols that scatter light from a laser pointer source. This demonstration has been used for high school students as well as college-level students to explain the reactions of ozone in the troposphere, the formation of secondary particulate matter (gas-to-particle conversion mechanisms), and degradation of visibility.
More Information
*  Citation
 Andino, Jean M.; Wallington, Timothy J.; Hurley, Michael D.; Wayne, Richard P. J. Chem. Educ. 2000 77 1584.
*  Keywords
 Atmospheric Chemistry; Demonstrations; Environmental Chemistry; Teaching / Learning Aids
*  History
 Created:
Last Updated:		 November 3, 2000
April 15, 2005
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