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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > July  >
In the Laboratory
Tensile Strength Measurements on Biopolymer Films
Eugene S. Stevens and Mark D. Poliks
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902
Cover
July 2003
Vol. 80 No. 7
p. 810
Abstract
An experiment is described in which students prepare biopolymer (agar, gelatin, and starch) films from aqueous solution and measure the tensile strengths of the films using easily constructed equipment. Agar and gelatin form moderately strong films. Starch forms weak films but the strength is increased by combining with agar and gelatin.
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Instructions for students and notes for the instructor are available.
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*  Citation
 Stevens, Eugene S.; Poliks, Mark D. J. Chem. Educ. 2003 80 810.
*  Keywords
 Biotechnology; Carbohydrates; Environmental Chemistry; Industrial Chemistry; Laboratory Equipment / Apparatus; Materials Science; Plastics; Polymer Chemistry; Proteins / Peptides
*  History
 Created:
Last Updated:		 June 4, 2003
February 28, 2005
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