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  Home > JCE Print > Journal of Chemical Education > Issues > 2001  > May  >
In the Laboratory
A Useful System for Microscale and Semi-microscale Fractional Distillation of Air-Sensitive Substances with High Boiling Points
J. Alfredo Gutiérrez
Departamento de Química, Centro de Investigación y Estudios Avanzados (CINVESTAV-I.P.N.) Apdo. Postal 14-740, México D.F. 07000, México
Cover
May 2001
Vol. 78 No. 5
p. 653
Abstract
A procedure to purify air-sensitive liquids with high boiling points is proposed. Attempts to purify those compounds in a conventional short-path distillation apparatus were unsuccessful. The heat required for the vapors to overcome the relatively large vertical distance before reaching the condenser promotes their decomposition. A horizontal distilling apparatus that avoids extreme refluxing and can efficiently separate the fractions of a mixture was designed to purify these kinds of substances.
More Information
*  Citation
 Gutiérrez, J. Alfredo. J. Chem. Educ. 2001 78 653.
*  Keywords
 Laboratory Equipment / Apparatus; Liquids; Microscale; Separation Science
*  History
 Created:
Last Updated:		 March 22, 2001
August 31, 2005
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