Paper Title:
The Study on Thermal Properties of Solid Solution (K, NH4)Cl
  Abstract

Solid solutions with different compositions, mNH4Cl·KCl and NH4Cl·nKCl (m,n≥1), were prepared by the constant speed cooling method. The thermal stability of the solid solutions was determined by TG-DTA. The results show that mNH4Cl·KCl crystals change its crystal form at 180°C, decompose into ammonia and hydrogen chloride gas at 330°C, melt at 790°C, and finally evaporate at around 820°C. Its evaporation temperature increases with the increasing of potassium chloride content in the samples. The Solid solution of NH4Cl·nKCl decomposes to ammonia and hydrogen chloride gas at 230°C, melts at 790°C, and evaporates at 800°C. The continuous specific heat curve of the solid solution (NH4, K)Cl were also determined. These data provide a theoretical basis for further research on solid solution properties.

  Info
Periodical
Advanced Materials Research (Volumes 236-238)
Edited by
Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao
Pages
357-361
DOI
10.4028/www.scientific.net/AMR.236-238.357
Citation
J. S. Yuan, L. Li, X. Ji, M. Su, "The Study on Thermal Properties of Solid Solution (K, NH4)Cl", Advanced Materials Research, Vols. 236-238, pp. 357-361, 2011
Online since
May 2011
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Price
$32.00
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