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题名: Low-temperature heat capacities and thermochemistry properties of Sm(Val)Cl-3 center dot 6H(2)O
作者: Zhang Jing-Nan1, 3;  Tan Zhi-Cheng1;  Liu Bei-Ping2;  Shi Quan1;  Tong Bo1
关键词: rare-earth complex ;  Sm(Val)Cl3 center dot 6H(2)O ;  low-temperature heat capacity ;  thermodynamic functions ;  TG analysis
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 2008-08-01
DOI: 10.3866/PKU.WHXB20080809
卷: 24, 期:8, 页:1378-1382
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: Heat capacities of the complex of rare-earth element with valine [Sm(Val)Cl3 center dot 6H(2)O] were measured with a high-precision automatic adiabatic calorimeter over the temperature range from 80 to 376 K, and the thermodynamic unctions (H-T-H-298.15 and S-T-S-298.15) were calculated. A large step in heat capacity was detected around 308 K and this may be attributed to a glass transition corresponding to freezing of structural disorder. Thermal decomposition of this complex as studied by thermogravimetric (TG) technique and a possible mechanism for the decomposition was suggested.
关键词[WOS]: THERMODYNAMIC PROPERTIES ;  THERMAL-DECOMPOSITION ;  GLASS-TRANSITION ;  CRYSTALLINE ;  RE ;  ND
语种: 英语
WOS记录号: WOS:000259171000009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140975
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, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Liaoning Prov, Peoples R China
2.Hunan Univ Arts & Sci, Dept Chem & Chem Engn, Changde 415000, Hunan, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Zhang Jing-Nan,Tan Zhi-Cheng,Liu Bei-Ping,et al. Low-temperature heat capacities and thermochemistry properties of Sm(Val)Cl-3 center dot 6H(2)O[J]. ACTA PHYSICO-CHIMICA SINICA,2008,24(8):1378-1382.
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