Demonstration of Optical Rotatory Dispersion of Sucrose

R. N. Compton
Departments of Chemistry and Physics, University of Tennessee, Knoxville, TN 37996
S. M. Mahurin
Department of Physics, University of Tennessee, Knoxville, TN 37996
R. N. Zare
Department of Chemistry, Stanford University, Stanford, CA 94305-5080
J. Chem. Educ., 1999, 76 (9), p 1234
DOI: 10.1021/ed076p1234
Publication Date (Web): September 1, 1999

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.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Physical Chemistry

Keywords (Feature):

Advanced Chemistry Classroom and Laboratory

Keywords (Subject):

Instrumental Methods

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

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    A New Cost-Effective Diode Laser Polarimeter Apparatus Constructed by Undergraduate Students

    Pedro Lisboa and João Sotomayor, Paulo Ribeiro
    Journal of Chemical Education2010 87 (12), 1408-1410
    • A New Cost-Effective Diode Laser Polarimeter Apparatus Constructed by Undergraduate Students

      Pedro Lisboa and João Sotomayor, Paulo Ribeiro
      Journal of Chemical Education2010 87 (12), 1408-1410

      The construction of a diode laser polarimeter apparatus by undergraduate students is described. The construction of the modular apparatus by undergraduate students gives them an insight into how it works and how the measurement of a physical or chemical ...

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History

  • Received: August 03, 2009

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