Thermodynamic investigation of several natural polyols
文献类型：期刊论文
| 作者 | Tong, B.1,2; Tan, Z. C.1,2; Zhang, J. N.3; Wang, S. X.4 |
| 刊名 | journal of thermal analysis and calorimetry
 |
| 出版日期 | 2009-02-01 |
| 卷号 | 95期号:2页码:469-475 |
| 关键词 | DSC erythritol heat capacity phase transition standard molar enthalpy of formation TG |
| 产权排序 | 2;1 |
| 通讯作者 | 谭志诚 |
| 英文摘要 | the 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. |
| 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] | temperature heat-capacities ; standard molar enthalpy |
| 收录类别 | SCI ; ISTP |
| 原文出处 | false |
| 语种 | 英语 |
| WOS记录号 | WOS:000264133800022 |
| 公开日期 | 2010-11-30 |
| 源URL | [http://159.226.238.44/handle/321008/101889]  |
| 专题 | 大连化学物理研究所_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.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 |
| 推荐引用方式 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..(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. |
入库方式： OAI收割
来源：大连化学物理研究所
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