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  Home > JCE Print > Journal of Chemical Education > Issues > 2006  > May  >
In the Laboratory
An Introduction to UV–Vis Spectroscopy Using Sunscreens
Harriet P. Moeur, Andrew Zanella, and Thomas Poon
Joint Science Department, Clarement, McKenna, Pitzer, and Scripps Colleges, Claremont, CA 91711
Cover
May 2006
Vol. 83 No. 5
p. 769
Abstract
Two commercially available lotions that utilize only one active ingredient as a sunscreen were used to develop a general chemistry laboratory experiment involving the quantitative determination of the active component in each lotion by UV–vis spectroscopy. An open-ended group activity involving the qualitative assessment of the effectiveness of sunscreens containing multiple active ingredients by visual determination of fluorescence inhibition is also described.
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Instructions for the students are available.
*  Contents JCE2006p0769W.doc (Microsoft Word)
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*  Citation
 Moeur, Harriet P.; Zanella, Andrew; Poon, Thomas. J. Chem. Educ. 2006 83 769.
*  Keywords
 Analytical Chemistry; Drugs / Pharmaceuticals; First-Year Undergraduate / General; Fluorescence Spectroscopy; Hands-On Learning / Manipulatives; Inquiry-Based / Discovery Learning; Laboratory Instruction; Spectroscopy; UV-Vis Spectroscopy
*  History
 Created:
Last Updated:		 3/16/2006
3/31/2006
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