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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > February  >
General Interest
Correct Regression Formula Used in determination of Vaporization Enthalpy of Pure Liquids by UV-Visible Spectroscopy
Sheng Dai
Chemical Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37813-6181
Cover
February 1996
Vol. 73 No. 2
p. 122
Abstract
A recent paper by G. Marin-Puga, M. Guzman L., and F. Hevia [J. Chem. Educ. 1995, 72, 91] attracted my attention. A wrong regression formula was used in the paper to determine the vaporization enthalpy. The expression for the proportionality constant that relates the absorbance of the vapor with the vapor pressure was also wrongly derived. This prompted me to submit this short paper to clarify both points.
More Information
*  Citation
 Dai, Sheng. J. Chem. Educ. 1996 73 122.
*  Keywords
*  History
 Created:
Last Updated:		 9/25/1999
5/22/2006
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