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题名: Facile synthesis of monodisperse magnesium oxide microspheres via seed-induced precipitation and their applications in high-performance liquid chromatography
作者: Zhang, Zhiping;  Zheng, Yajun;  Chen, Jiping;  Zhang, Qing;  Ni, Yuwen;  Liang, Xinmiao
通讯作者: 陈吉平 ;  梁鑫淼
刊名: ADVANCED FUNCTIONAL MATERIALS
发表日期: 2007-09-24
DOI: 10.1002/adfm.200600906
卷: 17, 期:14, 页:2447-2454
收录类别: SCI
文章类型: Article
部门归属: 1,18
项目归属: 103,1803
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary ;  Physics, Applied ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science ;  Physics
英文摘要: Low-cost, uniform, and monodisperse spherical particles are desirable for a variety of applications. We report the realization of uniform spherical magnesium oxide with a diameter of 10.5 mu m and specific surface area of 140.9 m(2) g(-1) resulting from a facile seed-induced precipitation in the presence of a trace amount of phosphate species. By optimizing the experimental parameters, the results demonstrate that the morphologies of magnesium oxide precursors are very sensitive to the amount and the sequence of addition of Mg-5(CO3)(4)(OH)(2) . 4H(2)O seeds, as well as the amount and type of phosphate species. These particles have also been used as a packing material for high performance liquid chromatography. In comparison with the commercial spherical silica, as-synthesized spherical magnesium oxide exhibits excellent efficiency in the separation of polycyclic aromatic hydrocarbons, and has a larger retention to planar compounds in contrast to non-planar ones. It is believed that this method will provide a simple and versatile approach to large-scale production of spherical magnesium oxide via a facile seed-induced mechanism. ne spherical magnesium oxide may find widespread use as a packing material in the group separation of polycylic aromatic hydrocarbons from target samples.
关键词[WOS]: POLYCYCLIC AROMATIC-HYDROCARBONS ;  REVERSED-PHASE MATERIALS ;  DONOR-ACCEPTOR SYSTEMS ;  CRYSTAL-STRUCTURE ;  FLUORESCENCE DETECTION ;  STATIONARY PHASES ;  TRACE-DETERMINATION ;  OXYGEN VACANCIES ;  SEWAGE SLUDGES ;  DIODE-ARRAY
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000250018800026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99181
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Liaoning Normal Univ, Dept Chem, Inst Chem Functionalized Mat, Dalian 116029, Peoples R China

Recommended Citation:
Zhang, Zhiping,Zheng, Yajun,Chen, Jiping,et al. Facile synthesis of monodisperse magnesium oxide microspheres via seed-induced precipitation and their applications in high-performance liquid chromatography[J]. ADVANCED FUNCTIONAL MATERIALS,2007,17(14):2447-2454.
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