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  Home > JCE Print > Journal of Chemical Education > Issues > 2001  > August  >
In the Classroom
Chemical Principles Revisited
The Conductivity of Molten Materials
Monica E. Thomas
W. E. Stebbins High School, Dayton, OH 45424

Audrey A. Cleveland, Rubin Battino,* David A. Dolson, and Michael R. Hall
Department of Chemistry, Wright State University, Dayton, OH 45435

Cover
August 2001
Vol. 78 No. 8
p. 1052
Abstract
The electrical conductivity of various molten materials was measured using some new and inexpensive conductivity testing devices. This paper illustrates the observation that ionic substances do not conduct in the solid state but do conduct in the molten state, where the ions are mobile. Carveth's mixture of NaNO3, LiNO3, and KNO3 melts at 120 °C, a very convenient temperature for a molten salt.
More Information
*  Citation
 Thomas, Monica E.; Cleveland, Audrey A.; Battino, Rubin; Dolson, David A.; Hall, Michael R. J. Chem. Educ. 2001 78 1052.
*  Keywords
 Conductivity; Demonstrations; Introductory / High School Chemistry
*  History
 Created:
Last Updated:		 July 10, 2001
April 14, 2005
Full Text PDF corrected (August 2001).
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