Laser-Based Liquid Prism Sucrosemeter - A Precision Optical Method to Find Sugar Concentration

A hollow prism was used in the minimum deviation position to investigate the refraction in a series of aqueous solutions of varying sucrose content. The 6328 A red line of the He-Ne 1 mW laser was used as the light source. Calibration graph of % weight of sucrose vs minimum linear deviation between...

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Bibliographic Details
Published in:Journal of chemical education 1997-02, Vol.74 (2), p.221
Main Authors: Narayana, Radha, Narayanan, V. Anantha
Format: Article
Language:English
Subjects:
Chemistry
Instruments
Laser applications
Optics
Science education
Sugar
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Summary:A hollow prism was used in the minimum deviation position to investigate the refraction in a series of aqueous solutions of varying sucrose content. The 6328 A red line of the He-Ne 1 mW laser was used as the light source. Calibration graph of % weight of sucrose vs minimum linear deviation between incident and refracted rays is given. Sources of errors are discussed. The calibration graph was tested with success on three control sugar solutions.
ISSN:0021-9584
1938-1328
DOI:10.1021/ed074p221