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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > December  >
Chemistry Everyday for Everyone
Past, Present, and Possible Future Applications of Supercritical Fluid Extraction Technology
Cindy L. Phelps, Neil G. Smart, and C. M. Wai
Department of Chemistry, University of Idaho, Moscow, ID 83843
Cover
December 1996
Vol. 73 No. 12
p. 1163
Abstract
While the research and industrial communities are wholehartedly embracing the use of supercritical fluid extraction (SFE) technology, little has been written about it in undergraduate texts or in educational journals such as the Journal of Chemical Education . The supercritical phenomenon of fluids was first discovered in the early 1800's by the Frenchman Baron Charles Cagniard de la Tour, but the significance and practical application of his discovery have only recently been recognized and achieved. This article presents a general overview of the principles of SFE and describes the instrumentation necessary to carry out an extraction using a supercirtical fluid. The reader will also gain insight into the types of research currently being conducted using supercritical fluids as either processing solvents or as reaction constituents and matrices. Because carbon dioxide is the supercritical fluid of choice for many procedures, its use and modification for specific solutes is covered in some detail.

Featured on the Cover
More Information
*  Citation
 Phelps, Cindy L.; Smart, Neil G.; Wai, C. M. J. Chem. Educ. 1996 73 1163.
*  Keywords
 Public Understanding/Appreciation
*  History
 Created:
Last Updated:		 August 5, 1999
February 21, 2006
Link to Cover added (June 2004).
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