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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > January  >
Chemistry Everyday for Everyone
JCE Classroom Activity
The Effects of Temperature on Lightsticks

Cover
January 1999
Vol. 76 No. 1
p. 40A
Abstract
Lightsticks contain dilute hydrogen peroxide in a phthalic ester solvent enclosed in a glass vial, which is surrounded by a solution containing phenyl oxalate ester and a fluorescent dye. When the lightstick is "snapped" and the vial is broken, the two solutions react to produce an intermediate that transfers energy to a dye molecule. Visible light is emitted when the excited dye molecule returns to the ground state. Additional details on chemiluminescence and the reaction can be found in this issue of theJournal and other sources.
Supplement
The activity sheet is available as supplement material, which can be viewed as a pdf file using Acrobat Reader.
*  Contents
*  Download supp40A.pdf
More Information
*  Citation
 J. Chem. Educ. 1999 76 40A.
*  Keywords
 Introductory / High School Chemistry; Teaching / Learning Aids; Luminescence; Classroom Activity
*  History
 Created:
Last Updated:		 June 15, 1999
June 22, 2005
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