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题名: Direct synthesis of hierarchical monolithic silica for high performance liquid chromatography
作者: Zhong, Hua1, 2;  Zhu, Guiru1;  Wang, Peiyuan1, 2;  Liu, Jian1, 2;  Yang, Jie1;  Yang, Qihua1
通讯作者: 杨启华
关键词: silica monolith ;  bimodal porous structure ;  macroporous ;  high performance liquid chromatography
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2008-05-09
DOI: 10.1016/j.chroma.2008.03.045
卷: 1190, 期:1-2, 页:232-240
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 506
产权排名: 1;1
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: The silica-based monolith exhibiting a hierarchical bimodal porous structure has been directly synthesized via lytropic mesophase. The hydrolysis and condensation of tetramethoxysilane (TMOS) in the presence of poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) (P123) and acetic acid results in silica monolith with MSU-type mesoporous structure embedded in the skeleton of the interconnected macropore. The silica monolith with bimodal porous structure can separate benzene and phenol with high flow rate and low back-pressure. Moreover, the chromatographic property of C-18-grafted silica monolith is investigated in the separation of aromatic molecules. Our primary result shows that the silica monolith with interconnected macropore and MSU-type mesopore is a promising packing material as stationary phase for high performance liquid chromatography. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: WELL-DEFINED MACROPORES ;  SOL-GEL PROCESS ;  MESOPOROUS SILICA ;  PHASE-SEPARATION ;  ORDERED MESOPORES ;  MOLECULAR-SIEVES ;  MODIFIED SILANES ;  MORPHOLOGY ;  PORES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000255848600028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100165
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Zhong, Hua,Zhu, Guiru,Wang, Peiyuan,et al. Direct synthesis of hierarchical monolithic silica for high performance liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2008,1190(1-2):232-240.
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