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题名: Low-temperature heat capacity and standard molar enthalpy of formation of crystalline 2-pyridinealdoxime (C(6)H(6)N2O)
作者: Shi, Quan;  Tan, Zhi-Cheng;  Tong, Bo;  Di, You-Ying;  Zhang, Zhi-Heng;  Zeng, Ju-Lan;  Sun, Li-Xian;  Li, Yan-Sheng
通讯作者: 谭志诚
关键词: 2-pyridinealdoxime ;  heat capacity ;  thermodynamic function ;  adiabatic calorimetry ;  standard molar enthalpy of combustion ;  standard molar enthalpy of formation ;  TG ;  DSC
刊名: JOURNAL OF CHEMICAL THERMODYNAMICS
发表日期: 2007-05-01
DOI: 10.1016/j.jct.2006.09.016
卷: 39, 期:5, 页:817-821
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Thermodynamics ;  Chemistry, Physical
研究领域[WOS]: Thermodynamics ;  Chemistry
英文摘要: The thermodynamic properties of 2-pyridinealdoxime were investigated through the thermogravimetric (TG) analysis and differential scanning calorimetry (DSC). Low-temperature heat capacity C-p.m of 2-pyridinealdoxime (C6H6N2O; CAS 873-69-8) was measured in the temperature range from (80 to 373) K with a high precision automated adiabatic calorimeter. No phase transition or thermal anomaly was observed in this range. The thermodynamic functions [H-T - H-298.15] and [S-T - S-298.15] were calculated in the range from (80 to 375) K. The constant-volume energy and standard molar enthalpy of combustion have been determined Delta U-c (C6H6N2O, cr) = Delta H-f degrees(m) (C6H6N2O, cr) = - (3297.11 +/- 1.53) kJ center dot mol(-1) (based on Delta n being zero in reaction of the combustion), by means of a precision oxygen-bomb combustion calorimeter at T= (298.15 +/- 0.001) K. The standard molar enthalpy of formation has been derived, Delta H-f degrees(m) (C6H6N2O, cr) = (78.56 +/- 2.43) kJ center dot mol(-1), from the standard molar enthalpy of combustion in combination with other auxiliary thermodynamic quantities through a Hess thermochemical cycle. (C) 2006 Elsevier Ltd. All rights reserved.
关键词[WOS]: THERMODYNAMIC PROPERTIES ;  OXIMES ;  MAGNETS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000246757100018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99637
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, Peoples R China
2.LiaoCheng Univ, Coll Chem & Chem Engn, Liaocheng 252059, Peoples R China
3.Dalian Jiaotong Univ, Coll Environm Sci & Engn, Dalian 116028, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Shi, Quan,Tan, Zhi-Cheng,Tong, Bo,et al. Low-temperature heat capacity and standard molar enthalpy of formation of crystalline 2-pyridinealdoxime (C(6)H(6)N2O)[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2007,39(5):817-821.
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