Low-temperature heat capacities and standard molar enthalpy of formation of aspirin
文献类型：期刊论文
| 作者 | Xu, F; Sun, LX; Tan, ZC; Liang, JG; Di, YY; Tian, QF; Zhang, T |
| 刊名 | journal of thermal analysis and calorimetry
 |
| 出版日期 | 2004 |
| 卷号 | 76期号:2页码:481-489 |
| 关键词 | adiabatic calorimetry aspirin combustion calorimetry enthalpy of formation heat capacity |
| 产权排序 | 1;1 |
| 英文摘要 | molar heat capacities (c-p,c-m) of aspirin were precisely measured with a small sample precision automated adiabatic calorimeter over the temperature range from 78 to 383 k. no phase transition was observed in this temperature region. the polynomial function of cp, vs. t was established in the light of the low-temperature heat capacity measurements and least square fitting method. the corresponding function is as follows: for 78 kless than or equal totless than or equal to383 k, c-p,c-m/j mol(-1) k-1=19.086x(4)+15.951x(3)-5.2548x(2)+90.192x+176.65, [x=(t-230.50/152.5)]. the thermodynamic functions on the base of the reference temperature of 298.15 k, {deltah(t)-deltah(298.15)} and {s-t-s-298.15}, were derived. |
| 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] | thermodynamic properties ; acid ; graphite |
| 收录类别 | SCI |
| 原文出处 | true |
| 语种 | 英语 |
| WOS记录号 | WOS:000221460800012 |
| 公开日期 | 2010-11-30 |
| 源URL | [http://159.226.238.44/handle/321008/81463]  |
| 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, Mat Thermochem Lab, Dalian 116023, Peoples R China 2.Hunan Inst Drug Detect, Changsha 410001, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, F,Sun, LX,Tan, ZC,et al. Low-temperature heat capacities and standard molar enthalpy of formation of aspirin[J]. journal of thermal analysis and calorimetry,2004,76(2):481-489. |
| APA | Xu, F.,Sun, LX.,Tan, ZC.,Liang, JG.,Di, YY.,...&Zhang, T.(2004).Low-temperature heat capacities and standard molar enthalpy of formation of aspirin.journal of thermal analysis and calorimetry,76(2),481-489. |
| MLA | Xu, F,et al."Low-temperature heat capacities and standard molar enthalpy of formation of aspirin".journal of thermal analysis and calorimetry 76.2(2004):481-489. |
入库方式： OAI收割
来源：大连化学物理研究所
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