Low-temperature heat capacities of [Er-2(L-Glu)(2)(H2O)(6)](ClO4)(4)center dot 6H(2)O(S)
文献类型：期刊论文
| 作者 | Di, You-Ying; Zhang, Jian; Tan, Zhi-Cheng |
| 刊名 | thermochimica acta
 |
| 出版日期 | 2007-10-25 |
| 卷号 | 463期号:1-2页码:10-12 |
| 关键词 | [Er-2(Glu)(2)(H2O)(6)](ClO4)(4)center dot 6H(2)O adiabatic calorimetry low-temperature heat capacity phase transition |
| 英文摘要 | a coordination compound of erbium perchlorate with l-alpha-glutamic acid, [er-2(l-glu)2(h2o)(6)](clo4)(4).6h(2)o(s), was synthesized. by chemical analysis, elemental analysis, ftir, tg/dtg and comparison with relevant literature, its chemical composition and structure were established. the purity was found to be >99.0%, without melting point. low-temperature heat capacities were measured by a precision automated adiabatic calorimeter from 78 to 318 k. an endothermic peak in the heat-capacity curve was observed over the temperature region of 290-316 k, which was ascribed to a solid-to-solid phase transition. the temperature t the enthalpy delta h-trans(m) and the entropy delta s-trans(m) of the phase transition for the compound were determined to be: 308.73 +/- 0.45 k, 10.49 +/- 0.05 u mol(-1) and 33.9 +/- 0.2 j k-1 mol(-1). polynomial equation of heat capacities as a function of the temperature in the region of 78-290 k was fitted by the least square method. (c) 2007 elsevier b.v. all rights reserved. |
| WOS标题词 | science & technology ; physical sciences |
| 类目[WOS] | chemistry, analytical ; chemistry, physical |
| 研究领域[WOS] | chemistry |
| 收录类别 | ISTP ; SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000250353500004 |
| 公开日期 | 2015-11-17 |
| 源URL | [http://159.226.238.44/handle/321008/140511]  |
| 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.Liaocheng Univ, Coll Chem & Chem Engn, Liaocheng 252059, Shandong, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China |
| 推荐引用方式 GB/T 7714 | Di, You-Ying,Zhang, Jian,Tan, Zhi-Cheng. Low-temperature heat capacities of [Er-2(L-Glu)(2)(H2O)(6)](ClO4)(4)center dot 6H(2)O(S)[J]. thermochimica acta,2007,463(1-2):10-12. |
| APA | Di, You-Ying,Zhang, Jian,&Tan, Zhi-Cheng.(2007).Low-temperature heat capacities of [Er-2(L-Glu)(2)(H2O)(6)](ClO4)(4)center dot 6H(2)O(S).thermochimica acta,463(1-2),10-12. |
| MLA | Di, You-Ying,et al."Low-temperature heat capacities of [Er-2(L-Glu)(2)(H2O)(6)](ClO4)(4)center dot 6H(2)O(S)".thermochimica acta 463.1-2(2007):10-12. |
入库方式： OAI收割
来源：大连化学物理研究所
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