Demonstration of Optical Rotatory Dispersion of Sucrose
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.
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An alternative method is to begin with agave syrup or maple syrup and dilute each of them to achieve the desired rotation.
“An alternative method is to begin with agave syrup (a fructose-rich solution) [22] or maple syrup (a sucrose-rich solution) [23] and dilute each of them to achieve the desired rotation.”
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- Authors
- Compton, R. N., Mahurin, S. M., & Zare, R. N.
- Affiliations
- University of Tennessee at Knoxville (US)
- Stanford University (US)
- Venue
- Journal of Chemical Education
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-09
- Volume
- 76
- Issue
- 9
- Pages
- 1234
- ISSN
- 0021-9584 (ISSN-L)
- 1938-1328
- OpenAlex
- W2026617865
- Cited by
- 38
- References
- 0
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 4 · 2023: 2 · 2022: 6 · 2021: 3 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 2 · 2015: 1 · 2014: 1 · 2013: 1
- FWCI
- 0.22
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Chemical Education (publishedVersion)
- Topics
- Physical Sciences › Chemistry › Spectroscopy › Molecular spectroscopy and chirality
- Physical Sciences › Chemistry › Organic Chemistry › Chemistry and Stereochemistry Studies
- Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Various Chemistry Research Topics
- Keywords
- optical rotatory dispersion, sucrose, optical activity, chiral molecules, specific rotation, laser light scattering, Rayleigh scattering, linearly polarized light, chiral solutes
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