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The Chemical Educator

ISSN: 1430-4171 (electronic version)

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Abstract Volume 3 Issue 5 (1998), S1430-4171(98)05254-5

Effect of Solvents on the Fluorescence Emission Spectra of 1-Anilino-8-Naphthalene Sulfonic Acid: A Physical Chemistry Experiment

Samira A. Barghouthi*, Jeannine Perrault, and L. H. Holmes, Jr.

Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, LA 70402

Published online: 1 October 1998

Abstract. This article describes an experiment that can be conducted to cover basic fluorescence concepts and study the effects of solvent polarity. It introduces students to fluorescence spectrophotometry and illustrates the effects of the solvent’s dielectric constant and hydrogen bonding capability on fluorescence-emission spectra.

Key Words: Laboratories and Demonstrations; laboratory; analytical; physical; biochemistry; fluorescence; spectrophotometry; polarity; fluorophore; quantum yield; dielectric constant

(*) Corresponding author. (E-mail:

Article in PDF format (195 KB )

Issue date: October 1, 1998

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