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Heat capacities and thermal conductivity of ternary mixtures of water+ethanol+1,2-ethanediol between 75 and 350 K
Song, YJ; Tan, ZC; Meng, SH; Zhang, JB
关键词Heat Capacity Phase Transition Thermal Conductivity Ethanol 1 Aqueous Solution 2-ethanediol
刊名THERMOCHIMICA ACTA
2000-07-03
352页:255-264
收录类别ISTP ; SCI
文章类型Article
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]GLASSY STATE ; TRANSITION
英文摘要The heat capacities of two concentrations of the ternary systems of 1,2-ethanediol, ethanol and water have been measured with an adiabatic calorimeter in the temperature range 80-350 K. These mixtures exhibited complex phase transitions in the solid state. A very broad heat capacity anomaly starting from 130 to 240 K was observed in the heat capacity curves and three transition peaks were found in this temperature range in addition to the melting peak. Experiments have demonstrated that the cooling rates had no obvious influence on the heat capacity anomaly. The thermal conductivity of the ternary systems were measured with an instantaneous heating wire conductometer in the temperature range from 233.15 to 343.15 K. All of the heat capacity and thermal conductivity results in temperature range between 221 and 350 K were correlated with temperature for practical applications. (C) 2000 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000087272900041
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138655
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
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Song, YJ,Tan, ZC,Meng, SH,et al. Heat capacities and thermal conductivity of ternary mixtures of water+ethanol+1,2-ethanediol between 75 and 350 K[J]. THERMOCHIMICA ACTA,2000,352:255-264.
APA Song, YJ,Tan, ZC,Meng, SH,&Zhang, JB.(2000).Heat capacities and thermal conductivity of ternary mixtures of water+ethanol+1,2-ethanediol between 75 and 350 K.THERMOCHIMICA ACTA,352,255-264.
MLA Song, YJ,et al."Heat capacities and thermal conductivity of ternary mixtures of water+ethanol+1,2-ethanediol between 75 and 350 K".THERMOCHIMICA ACTA 352(2000):255-264.
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