| 腈菌唑的热容和热力学性质 |
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| 引用本文： | 孙晓红,刘源发,谭志诚,贾婴琦,王美涵,邸友莹.腈菌唑的热容和热力学性质[J].中国化学,2005,23(1):23-27. |
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| 作者姓名： | 孙晓红 刘源发 谭志诚 贾婴琦 王美涵 邸友莹 |
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| 作者单位： | 西北大学化工学院化学研究所, 西安 710069;西北大学化学系， 西安 710069;中国科学院大连化学物理研究所热化学实验室， 大连 116023 |
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| 摘 要： | 通过小样品精密自动绝热热量计测定了自己合成并提纯的腈菌唑 (C15H17ClN4)
在78 ～ 368K温区的低温摩尔热容。量热实验发现, 该化合物在363 ~ 372 K温区, 有一固-液熔化相变过程, 其熔化温度为 (348.800±0.06)K, 摩尔熔化焓、摩尔熔化熵及化合物的纯度分别为：(30931±11) J•mol-1、(88.47±0.02) J•mol-1•K-1和0.9941(摩尔分数)。用差示扫描量热(DSC) 技术对该物质的固-液熔化过程作了进一步研究，结果与绝热量热法一致。
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| 关 键 词： | 热容量 热力学性质 C15H17ClN4 氯苯基丁酰三氮杂环化合物 |
| 收稿时间： | 2004-3-29 |
| 修稿时间： | 2004-9-20 |
Heat Capacity and Thermodynamic Properties of Myclobutanil |
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| Xiao‐Hong Sun,Yuan‐Fa Liu,Zhi‐Cheng Tan,Ying‐Qi Jia,Mei‐Han Wang,You‐Ying Di.Heat Capacity and Thermodynamic Properties of Myclobutanil[J].Chinese Journal of Chemistry,2005,23(1):23-27. |
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| Authors: | Xiao‐Hong Sun Yuan‐Fa Liu Zhi‐Cheng Tan Ying‐Qi Jia Mei‐Han Wang You‐Ying Di |
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| Abstract: | The low‐temperature heat capacities of myclobutanil (C15H17ClN4) were precisely measured with an automated adiabatic calorimeter over the temperature range from 78 to 368 K. The sample was observed to melt at (348.800 ±0.06) K. The molar enthalpy and entropy of the melting as well as the chemical purity of the substance were determined to be ΔfusHm (30931±11) J · mol?1, ΔfusSm (88.47±0.02) J · mol?1 · K?1 and 99.41%, respectively. Further research of the melting process for this compound was carried out by means of DSC technique. The result was in agreement with that obtained from the measurements of heat capacities. |
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| Keywords: | myclobutanil heat capacity adiabatic calorimetry DSC |
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