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题名: Heat Capacities and Thermodynamic Properties of Aqueous SrCl2 Solutionsin the Temperature Range from 80 to 320 K
作者: 孟庆芬 ;  Tan, Zhi-Cheng ;  董亚萍 ;  冯海涛 ;  Wang, Xiao-Huan ;  Shi, Quan ;  李武
刊名: JOURNAL OF SOLUTION CHEMISTRY
出版日期: 2010
卷号: 39, 期号:7, 页码:1087-1098
英文摘要: The molar heat capacities of three different concentrations of aqueous SrCl2 solutions, 0.1212, 0.4615 and 1.878 mola <...kg(-1), were measured, using a precision automated adiabatic calorimeter in the temperature range from 80 to 320 K. Solid-liquid phase transitions were observed at 272.83, 270.18 and 255.15 K, respectively, for these three solutions. The molar enthalpies and entropies of the phase transitions were evaluated. The experimental heat capacity data were fitted to polynomial equations, and based on the polynomial equations and thermodynamic relationship, the thermodynamic functions relative to 298.15 K, [H (T) -H (298.15 K)] and [S (T) -S (298.15 K)], of the three solutions were derived in the range of 80 to 320 K with an interval of 5 K. The molar heat capacities of three different concentrations of aqueous SrCl2 solutions, 0.1212, 0.4615 and 1.878 mola <...kg(-1), were measured, using a precision automated adiabatic calorimeter in the temperature range from 80 to 320 K. Solid-liquid phase transitions were observed at 272.83, 270.18 and 255.15 K, respectively, for these three solutions. The molar enthalpies and entropies of the phase transitions were evaluated. The experimental heat capacity data were fitted to polynomial equations, and based on the polynomial equations and thermodynamic relationship, the thermodynamic functions relative to 298.15 K, [H (T) -H (298.15 K)] and [S (T) -S (298.15 K)], of the three solutions were derived in the range of 80 to 320 K with an interval of 5 K.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/1910
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Meng, Qing-Fen,Tan, Zhi-Cheng,Dong, Ya-Ping,et al. Heat Capacities and Thermodynamic Properties of Aqueous SrCl2 Solutionsin the Temperature Range from 80 to 320 K[J]. JOURNAL OF SOLUTION CHEMISTRY,2010,39(7):1087-1098.
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