The Conductivity of Molten Materials

Audrey A. Cleveland , Rubin Battino , David A. Dolson and Michael R. Hall
Department of Chemistry, Wright State University, Dayton, OH 45435
Monica E. Thomas
W. E. Stebbins High School, Dayton, OH 45424
J. Chem. Educ., 2001, 78 (8), p 1052
DOI: 10.1021/ed078p1052
Publication Date (Web): August 1, 2001

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.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Demonstrations

Keywords (Feature):

Chemical Principles Revisited

Keywords (Subject):

Conductivity
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History

  • Received: August 03, 2009

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