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Thermodynamic investigation of several natural polyols
Tong, B.1,2; Tan, Z. C.1,2; Zhang, J. N.3; Wang, S. X.4; Tan ZC(谭志诚)
KeywordDsc Erythritol Heat Capacity Phase Transition Standard Molar Enthalpy Of Formation Tg
Source PublicationJOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
2009-02-01
DOI10.1007/s10973-008-9268-8
Volume95Issue:2Pages:469-475
Indexed BySCI ; ISTP
SubtypeArticle
Department15
Funding Project1504
Contribution Rank2;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS Research AreaChemistry
WOS KeywordTEMPERATURE HEAT-CAPACITIES ; STANDARD MOLAR ENTHALPY
AbstractThe low-temperature heat capacity C (p,m) of erythritol (C(4)H(10)O(4), CAS 149-32-6) was precisely measured in the temperature range from 80 to 410 K by means of a small sample automated adiabatic calorimeter. A solid-liquid phase transition was found at T=390.254 K from the experimental C (p)-T curve. The molar enthalpy and entropy of this transition were determined to be 37.92 +/- 0.19 kJ mol(-1) and 97.17 +/- 0.49 J K(-1) mol(-1), respectively. The thermodynamic functions [H (T)-H (298.15)] and [S (T)-S (298.15)], were derived from the heat capacity data in the temperature range of 80 to 410 K with an interval of 5 K. The standard molar enthalpy of combustion and the standard molar enthalpy of formation of the compound have been determined: Delta(c) H (m) (0) (C(4)H(10)O(4), cr)= -2102.90 +/- 1.56 kJ mol(-1) and Delta(f) H (m) (0) (C(4)H(10)O(4), cr)= - 900.29 +/- 0.84 kJ mol(-1), by means of a precision oxygen-bomb combustion calorimeter at T=298.15 K. DSC and TG measurements were performed to study the thermostability of the compound. The results were in agreement with those obtained from heat capacity measurements.
Language英语
URL查看原文
WOS IDWOS:000264133800022
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/101889
Collection中国科学院大连化学物理研究所
Corresponding AuthorTan ZC(谭志诚)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Sch Chem Engn, Dept Chem, Dalian 116023, Peoples R China
3.Heilongjiang E Coll, Dept Food & Environm Engn, Haerbin 150086, Peoples R China
4.Dalian Jiaotong Univ, Coll Environm & Chem Engn, Dalian 116028, Peoples R China
Recommended Citation
GB/T 7714
Tong, B.,Tan, Z. C.,Zhang, J. N.,et al. Thermodynamic investigation of several natural polyols[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2009,95(2):469-475.
APA Tong, B.,Tan, Z. C.,Zhang, J. N.,Wang, S. X.,&谭志诚.(2009).Thermodynamic investigation of several natural polyols.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,95(2),469-475.
MLA Tong, B.,et al."Thermodynamic investigation of several natural polyols".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 95.2(2009):469-475.
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