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题名: Heat Capacities and Thermodynamic Properties of Aqueous SrCl2 Solutions in the Temperature Range from 80 to 320 K
作者: Meng, Qing-Fen3;  Tan, Zhi-Cheng1, 2;  Dong, Ya-Ping3;  Feng, Hai-Tao3, 4;  Wang, Xiao-Huan3, 4;  Shi, Quan1, 2;  Li, Wu3
关键词: Heat capacity ;  SrCl2 ;  Adiabatic calorimetry ;  Phase transitions ;  Thermodynamic function
刊名: JOURNAL OF SOLUTION CHEMISTRY
发表日期: 2010-07-01
DOI: 10.1007/s10953-010-9563-4
卷: 39, 期:7, 页:1087-1098
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
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.
语种: 英语
WOS记录号: WOS:000280803000012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141933
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, China Ion Liquid Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

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