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  Home > JCE Print > Journal of Chemical Education > Issues > 1997  > June  >
Information • Textbooks • Media • Resources
Experiments of Modern Chemistry: Simultaneous Recording of Multiple Cooling Curves
Ronald A. Bailey, Sudhen B. Desai, Norbert F. Hepfinger, Henry B. Hollinger, Peter S. Locke, and Kenneth J. Miller
Department of Chemistry, Rensselaer Polytechnic Institute, Troy, NY 12180

James J. Deacutis and Donald R. VanSteele
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180

Cover
June 1997
Vol. 74 No. 6
p. 732
Abstract
An apparatus for simultaneous recording of six heating/cooling curves of metallic mixtures is described. Data are recorded using computer data acquisition and temperature-time data displayed and printed out for evaluation. A reasonable set of data for plotting the phase diagram for the tin-bismuth system can be obtained from heating curves alone in 20 minutes; slightly better data from cooling curves can be obtained in 45 minutes. This allows the experiment to be completed and discussed as part of a single lecture-laboratory period.
More Information
*  Citation
 Bailey, Ronald A.; Desai, Sudhen B.; Hepfinger, Norbert F.; Hollinger, Henry B.; Locke, Peter S.; Miller, Kenneth J.; Deacutis, James J.; VanSteele, Donald R. J. Chem. Educ. 1997 74 732.
*  Keywords
 Laboratory Instruction, Computer Assisted Instruction, Laboratory Equipment/Apparatus, Phase Transitions/Diagrams
*  History
 Created:
Last Updated:		 July 28, 1999
June 23, 2005
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