Low-Temperature Heat Capacity and Thermodynamic Functions of Ho(NO3)(3)(C2H5O2N)(4)center dot H2O
文献类型:期刊论文
作者 | Gao Xiao-Han1; Xu Pei1; Duan Wen-Chao1; Lu Xue-Chuan1; Tan Zhi-Cheng2; Lu Qiang1 |
刊名 | acta physico-chimica sinica
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出版日期 | 2013-10-01 |
卷号 | 29期号:10页码:2123-2128 |
关键词 | Rare earth complex Ho(NO3)(3)(C2H5O2N)(4)center dot H2O Adiabatic calorimetry Heat capacity Thermodynamic function Thermal analysis |
英文摘要 | a complex of a rare-earth metal (ho) nitrate with glycine (c2h5o2n), ho(no3)(3)(c2h5o2n)(4)center dot h2o, was synthesized, and characterized by chemical analysis, elemental analysis, and infrared (ir) spectroscopy. the thermodynamic properties of the complex were also studied. the low-temperature molar heat capacities at constant pressure (c-p,c-m) of the complex were measured using a high-precision automatic adiabatic calorimeter over the temperature range from 80 to 390 k. the experimental molar heat capacities at constant pressure were used to deduce the polynomial equations for the heat capacity as a function of reduced temperature by applying the least-squares method to the two smooth stages of the curve. based on the thermodynamic relationships among heat capacity, entropy, and enthalpy, the thermodynamic functions (h-t,h-m - h-298.15,h-m) and (s-t,s-m - s-298.15,s-m) were derived from the heat capacity data, with temperature intervals of 5 k. the molar enthalpy and entropy changes of the transition process at about 350 k (delta h-trs(m) and delta s-trs(m)) were calculated from the heat capacity curve. the thermal stability of the complex was determined using differential scanning calorimetry (dsc). |
WOS标题词 | science & technology ; physical sciences |
类目[WOS] | chemistry, physical |
研究领域[WOS] | chemistry |
关键词[WOS] | adiabatic calorimetry ; standard enthalpies ; complexes ; re |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000324861700009 |
公开日期 | 2015-11-10 |
源URL | [http://159.226.238.44/handle/321008/137949] ![]() |
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.Liaoning Shihua Univ, Coll Chem & Chem Engn & Environm Engn, Sch Chem & Mat Sci, Fushun 113001, Liaoning Provin, Peoples R China 2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Liaoning Provin, Peoples R China |
推荐引用方式 GB/T 7714 | Gao Xiao-Han,Xu Pei,Duan Wen-Chao,et al. Low-Temperature Heat Capacity and Thermodynamic Functions of Ho(NO3)(3)(C2H5O2N)(4)center dot H2O[J]. acta physico-chimica sinica,2013,29(10):2123-2128. |
APA | Gao Xiao-Han,Xu Pei,Duan Wen-Chao,Lu Xue-Chuan,Tan Zhi-Cheng,&Lu Qiang.(2013).Low-Temperature Heat Capacity and Thermodynamic Functions of Ho(NO3)(3)(C2H5O2N)(4)center dot H2O.acta physico-chimica sinica,29(10),2123-2128. |
MLA | Gao Xiao-Han,et al."Low-Temperature Heat Capacity and Thermodynamic Functions of Ho(NO3)(3)(C2H5O2N)(4)center dot H2O".acta physico-chimica sinica 29.10(2013):2123-2128. |
入库方式: OAI收割
来源:大连化学物理研究所
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