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  Home > JCE Print > Journal of Chemical Education > Issues > 1997  > March  >
In the Laboratory
Filtrates and Residues
Extraction, Isolation, and Characterization of Fullerene C60: A Safe and Reliable Separation Experiment
Jamey L. Anderson, Michele A. West, and Christopher S. Foote
Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, CA 90024

Cover
March 1997
Vol. 74 No. 3
p. 311

Abstract
The recent discovery (1) and characterization (2, 3) of the pure-carbon, soccer ball-shaped molecule buckminsterfullerene-C60 has spawned intensive research (4). Now a favorite study topic of physical and organic chemists, fullerene chemistry has instilled in scientists a variety of application hopes. Although development is slow, many envision a future of fullerene superconductors, large-scale industrial catalysts, and perhaps even antiviral agents (5). This academic interest and enthusiasm in fullerene science has prompted us to develop a safe, inexpensive, and practical undergraduate activity for the study of C60, the most popular member of the fullerene family.

Appropriate for an advanced high school or introductory college chemistry laboratory, the experiment described here allows students to safely perform organic chemistry techniques in the absence of a fume hood. The methods we employ are modifications of those described by Ajie (3), Scrivens (6) and Marecek (7). Owing to the nonpolar nature of fullerene molecules, light-viscosity mineral oil is a suitable solvent for recovery of small quantities of C60. Nontoxic and relatively unreactive, mineral oil has the added benefit of not vaporizing at room temperature, unlike typical organic solvents. While no material safety data sheet (MSDS) is currently available for fullerene soot and its properties have not been fully investigated, recent studies involving topical application of fullerene extracts to mouse skin have shown no tumor-promoting activity in either acute or subchronic exposure (8). In this activity, students solubilize and extract fullerenes (predominantly C60 and C70) from fullerene soot and chromatographically separate C60 molecules from the resulting mixture. The C60 product may then be characterized spectrophotometrically.

More Information
*  Citation
Anderson, Jamey L.; West, Michele A.; Foote, Christopher S. J. Chem. Educ. 1997 74 311.
*  Keywords
*  History
Created:
Last Updated:
July 29, 1999
June 23, 2005
  Home > JCE Print > Journal of Chemical Education > Issues > 1997 > March > Page 311


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