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题名: Formation process and thermodynamic poperties of calcite
作者: Nan Zhao-Dong;  Shi Zuo-Yi;  Qin Mei;  Hou Wan-Guo;  Tan Zhi-Cheng
通讯作者: Hou Wan-Guo
关键词: calcite ;  vaterite ;  crystalline form ;  heat capacity
刊名: CHINESE JOURNAL OF CHEMISTRY
发表日期: 2007-05-01
卷: 25, 期:5, 页:592-595
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 4;5
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The fast mixing of aqueous solutions of calcium chloride and sodium carbonate resulted in crystalline forms of vaterite and calcite under vigorous stirring. Then, the vaterite was transformed to pure calcite within about 180 min. The crystalline forms all grew with experimental time increase. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction spectroscopy (XRD) techniques were employed to characterize the as-prepared samples. The heat capacity of the stable as-synthesized calcite was determined by means of an adiabatic calorimeter from 80 to 390 K. The thermodynamic functions of the calcite were derived based on the relationships among the thermodynamic functions and the function of the measured heat capacity with respect to temperature.
关键词[WOS]: SPONTANEOUS PRECIPITATION ;  AZEOTROPIC MIXTURE ;  HEAT-CAPACITIES ;  CARBONATE ;  TRANSFORMATION ;  VATERITE ;  SURFACTANTS ;  WATER
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000246644100003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99731
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Yangzhou Univ, Coll Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China
2.Qufu Normal Univ, Dept Chem, Qufu 273165, Shandong, Peoples R China
3.Shandong Univ, Key Lab Colloid & Interface Chem, State Educ Minist, Jinan 250100, Shandong, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Nan Zhao-Dong,Shi Zuo-Yi,Qin Mei,et al. Formation process and thermodynamic poperties of calcite[J]. CHINESE JOURNAL OF CHEMISTRY,2007,25(5):592-595.
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