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A new calorimeter for measuring rapidly thermal conductivities of the organic liquids and the electrically conducting liquids

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Abstract

A new calorimeter for measuring thermal conductivity of liquids has been constructed. It is wholly automatic under the computer control. The time of measurement is 1 s and the temperature rise due to heating is within 1°C. Six organic liquids and six aqueous solutions of electrolytes were employed as reference standards. The instrument was calibrated at 25°C. Its accuracy is better then 1% with a precision of about 0.2%.

Zusammenfassung

Es wurde ein neues, vollständig rechnerkontrolliertes Kalorimeter zur Messung der Wärmeleitfähigkeit von Flüssigkeiten konstruiert. Die Meßzeit beträgt 1 s und die Temperaturerhöhung infolge des Erhitzens bleibt innerhalb 1°C. Als Bezugssubstanzen wurden sechs organische Flüssigkeiten und sechs wäßrige Lösungen von Elektrolyten verwendet. Das Gerät wurde bei 25°C kalibriert. Die Genauigkeit ist besser als 1%, der Meßfehler etwa 0.2%.

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Authors and Affiliations

  1. Thermochemistry Institute, Northwestern University, 710069, Xi'an, P. R. China

    Congyu Wang & Menglin Yang

Authors
  1. Congyu Wang
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  2. Menglin Yang
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Wang, C., Yang, M. A new calorimeter for measuring rapidly thermal conductivities of the organic liquids and the electrically conducting liquids. Journal of Thermal Analysis 45, 47–52 (1995). https://doi.org/10.1007/BF02548662

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  • DOI: https://doi.org/10.1007/BF02548662

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