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Low-temperature heat capacity and thermodynamic properties of 2-amino-4,6-dimethoxypyrimidine
Sun, XH; Song, JR; Tan, ZC; Di, YY; Ma, HX; Wang, MH; Sun, LX
关键词2-amino-4 6-dimethoxypyrimidine Adiabatic Calorimetry Thermodynamic Function Different Scanning Calorimetry Purity Determination
刊名ACTA CHIMICA SINICA
2003-12-01
61期:12页:1897-1903
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
英文摘要The low-temperature heat capacities of 2-amino-4, 6-dimethoxypyrimidine ( C6H9N3O2) were precisely measured by an automated adiabatic calorimeter in the temperature range of 78 to 394 K. The sample was observed to melt at (370.97 +/- 0.02) K. On the basis of the heat-capacity measurements, the molar enthalpy and entropy of the phase transition as well as chemical purity of the substance were determined to be (29853. 91 +/- 9. 25) J (.) mol(-1), (80.45 +/- 0.03) J (.) mol(-1) (.) K-1 and 99.84%, respectively. The thermodynamic function of the compound were derived and reported at an interval of 5 K. The, further research of the melting process for this compound has been carried out by means of DSC technique. The result was in agreement with that. obtained from the measurements of heat capacities.
语种英语
WOS记录号WOS:000187533900002
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139271
专题中国科学院大连化学物理研究所
作者单位1.NW Univ Xian, Chem Engn Coll, Chem Res Inst, Xian 710069, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
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GB/T 7714
Sun, XH,Song, JR,Tan, ZC,et al. Low-temperature heat capacity and thermodynamic properties of 2-amino-4,6-dimethoxypyrimidine[J]. ACTA CHIMICA SINICA,2003,61(12):1897-1903.
APA Sun, XH.,Song, JR.,Tan, ZC.,Di, YY.,Ma, HX.,...&Sun, LX.(2003).Low-temperature heat capacity and thermodynamic properties of 2-amino-4,6-dimethoxypyrimidine.ACTA CHIMICA SINICA,61(12),1897-1903.
MLA Sun, XH,et al."Low-temperature heat capacity and thermodynamic properties of 2-amino-4,6-dimethoxypyrimidine".ACTA CHIMICA SINICA 61.12(2003):1897-1903.
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