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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > September  >
In the Classroom
Advanced Chemistry Classroom and Laboratory
Demonstration of Optical Rotatory Dispersion of Sucrose
S. M. Mahurin
Department of Physics, University of Tennessee, Knoxville, TN 37996

R. N. Compton
Departments of Chemistry and Physics, University of Tennessee, Knoxville, TN 37996

R. N. Zare
Department of Chemistry, Stanford University, Stanford, CA 94305-5080

Cover
September 1999
Vol. 76 No. 9
p. 1234
Abstract
A method for demonstrating and measuring the optical activity of chiral molecules in solution is described in which the rotation of linearly polarized light is directly observed at right angles to the propagation of light in the liquid. The specific rotation is accurately determined from a plot of the intensity of laser light scattering (Tyndall and Rayleigh scattering) as a function of distance along the light path. As an example, the optical rotatory dispersion curve for sucrose is reported.
More Information
*  Citation
 Mahurin, S. M.; Compton, Robert N.; Zare, Richard N. J. Chem. Educ. 1999 76 1234.
*  Keywords
 Physical Chemistry; Instrumental Methods; Lasers / Laser Spectroscopy; Laboratory Instruction; Teaching / Learning Aids
*  History
 Created:
Last Updated:		 July 30, 1999
June 23, 2005
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