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A study of the thermodynamic properties and dehydration reaction kinetics of some salt-hydrates

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Abstract

Correlations were determined between heat capacity and temperature and phase change enthalpy of Ba(OH)2·8H2O. The phase diagram and DSC curve of the binary system Na2CO3·10H2O−Na2HPO4·12H2O were determined The kinetics of the dehydrating reaction of Ba(OH)2·8H2O, Na2CO3·10H2O and Na2HPO4·12H2O were measured and theoretically analyzed by TG.

Zusammenfassung

Es wurden Beziehungen zwischen der Wärmekapazität, der Temperatur und der Phasenumwandlungsenthalpie von Ba(OH)2·8H2O ermittelt. Weiterhin wurde das Phasendiagramm und die DSC-Kurve des binären Systems Na2CO3·10H2O−Na2HPO4·12H2O bestimmt. Mittels TG wurde die Dehydratationsreaktion von Ba(OH)2·8H2O, Na2CO3·10H2O und Na2HPO4·12H2O gemessen und theoretisch ausgewertet.

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Authors and Affiliations

  1. Beijing Institute of Technology, 100081, Beijing, P.R. China

    Hong Zhang, Zhenggang Wang & Jiaren Dai

Authors
  1. Hong Zhang
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  2. Zhenggang Wang
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  3. Jiaren Dai
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Zhang, H., Wang, Z. & Dai, J. A study of the thermodynamic properties and dehydration reaction kinetics of some salt-hydrates. Journal of Thermal Analysis 45, 109–115 (1995). https://doi.org/10.1007/BF02548670

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  • DOI: https://doi.org/10.1007/BF02548670

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