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Heat Capacities and Thermodynamic Properties of Aqueous SrCl2 Solutionsin the Temperature Range from 80 to 320 K
Meng, Qing-Fen; Tan, Zhi-Cheng; Dong, Ya-Ping; Feng, Hai-Tao; Wang, Xiao-Huan; Shi, Quan; Li, Wu
2010
发表期刊JOURNAL OF SOLUTION CHEMISTRY
ISSN0095-9782
卷号39期号:7页码:1087-1098
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
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/1910
专题青海盐湖研究所知识仓储
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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.
APA Meng, Qing-Fen.,Tan, Zhi-Cheng.,Dong, Ya-Ping.,Feng, Hai-Tao.,Wang, Xiao-Huan.,...&Li, Wu.(2010).Heat Capacities and Thermodynamic Properties of Aqueous SrCl2 Solutionsin the Temperature Range from 80 to 320 K.JOURNAL OF SOLUTION CHEMISTRY,39(7),1087-1098.
MLA Meng, Qing-Fen,et al."Heat Capacities and Thermodynamic Properties of Aqueous SrCl2 Solutionsin the Temperature Range from 80 to 320 K".JOURNAL OF SOLUTION CHEMISTRY 39.7(2010):1087-1098.
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