Measurement of high temperature heat content of silicon by drop calorimetry

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Abstract

Heat content of silicon has been measured in a temperature range of 700-1820 K using a drop calorimeter. Boron nitride was used as a sample crucible. The enthalpy of fusion and the melting point of silicon determined from the heat content-temperature plots are 48.31±0.18 kJ mol-1 and 1687±5 K, respectively. The heat content and heat capacity equations were derived using the Shomate function for the solid region and the least square method for the liquid region, respectively, and compared with the literature values.

Original languageEnglish
Pages (from-to)1059-1066
Number of pages8
JournalJournal of Thermal Analysis and Calorimetry
Volume69
Issue number3
DOIs
Publication statusPublished - 2002
Externally publishedYes

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Keywords

  • Drop calorimeter
  • Enthalpy of fusion
  • Heat capacity
  • Heat content
  • High temperature
  • Melting point
  • Silicon

ASJC Scopus subject areas

  • Chemical Engineering(all)

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