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Thermodynamic investigation of several natural polyols (IV): Heat capacities and thermodynamic properties of adonitol
Tong, Bo3; Yu, Ying4; Tan, Zhi-Cheng1,2; Meng, Chang-Gong3; Cui, Li-Jun3; Xiao, Guang3; Liu, Rui-Bin3
关键词Adonitol Phase Transition Adiabatic Calorimetry Oxygen-bomb Combustion Calorimetry Dsc Tga
刊名THERMOCHIMICA ACTA
2010-02-20
DOI10.1016/j.tca.2009.11.011
499期:1-2页:117-122
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical ; Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]FREE POLY(VINYL CHLORIDE) ; AMORPHOUS STATE ; SMALL SAMPLES ; METAL-FREE ; SWEETENERS ; ENTHALPIES ; ACID ; CALORIMETER ; COMBUSTION ; SYSTEMS
英文摘要Adonitol was investigated by adiabatic calorimetry (AC), differential scanning calorimetry (DSC), thermogravity analysis (TGA) and oxygen-bomb combustion calorimetry. The heat capacity was precisely measured in the temperature range from 78 to 400 K by means of a small sample automated adiabatic calorimeter. The melting temperature, the molar enthalpy and entropy of this transition were determined to be T=369.08 +/- 0.45 K. 36.42 +/- 0.18 kJ mol(-1) and 98.68 +/- 0.49 JK(-1) mol(-1) respectively from the experimental C(p)-T curve. The thermodynamic functions [H(T)(0) - H(298.15)(0)] and [S(T)(0) - S(298.15)(0)] were derived from the heat capacity data with an interval of 5 K. The Standard molar enthalpy of combustion and formation of the compound have been determined to be Delta(c)H(m)(0), (C(5)H(12)O(5)center dot cr)=(-2562.4+/-1.3)kJ mol(-1) and Delta(c)H(m)(0) (C(5)H(12)O(5).cr)=(-1120.1+/-1.5)kJ mol(-1) respectively by means of a precision oxygen-bomb combustion calorimeter at T=298.15 K. The thermostability of the compound was further studied by DSC and TGA measurements. (C) 2009 Published by Elsevier B.V.
语种英语
WOS记录号WOS:000275257200019
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141937
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, China Ion Liquid Lab, Dalian 116023, Peoples R China
3.Dalian Univ Technol, Sch Chem Engn, Dept Chem, Dalian 116023, Peoples R China
4.PetroChina Dalian Petrochem Co, Dalian 116032, Peoples R China
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Tong, Bo,Yu, Ying,Tan, Zhi-Cheng,et al. Thermodynamic investigation of several natural polyols (IV): Heat capacities and thermodynamic properties of adonitol[J]. THERMOCHIMICA ACTA,2010,499(1-2):117-122.
APA Tong, Bo.,Yu, Ying.,Tan, Zhi-Cheng.,Meng, Chang-Gong.,Cui, Li-Jun.,...&Liu, Rui-Bin.(2010).Thermodynamic investigation of several natural polyols (IV): Heat capacities and thermodynamic properties of adonitol.THERMOCHIMICA ACTA,499(1-2),117-122.
MLA Tong, Bo,et al."Thermodynamic investigation of several natural polyols (IV): Heat capacities and thermodynamic properties of adonitol".THERMOCHIMICA ACTA 499.1-2(2010):117-122.
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