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Adsorption of Xe in zeolite MCM-22
Chen, F; Deng, F; Cheng, MJ; Yue, Y; Ye, CH
关键词Mcm-22 Zeolite Adsorption Xe-129 Nmr
刊名CHINESE SCIENCE BULLETIN
2002-04-01
47期:7页:542-547
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]MOLECULAR-SIEVE ; XE-129 NMR ; XENON
英文摘要Adsorption of xenon in zeolite MCM-22, a zeolite containing two separate pore systems, has been investigated in detail by variable temperature (VT) Xe-129 NMR spectroscopy. NMR results suggest that Xe atoms are preferentially adsorbed in the supercages of the zeolite at low Xe pressure (less than a few atmosphere), while Xe atoms can penetrate into the two-dimensional sinusoidal channels at high Xe pressure. Exchange of xenon at the different adsorption sites in the same supercage, i.e. xenon atoms in the two pockets and those in the central part of the supercage, was confirmed at 145 K by two-dimensional (2D) Xe-129 NMR exchange spectroscopy. The time scale for the exchange is about several milliseconds.
语种英语
WOS记录号WOS:000175219200005
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被引频次:1[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/321008/139196
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Chen, F,Deng, F,Cheng, MJ,et al. Adsorption of Xe in zeolite MCM-22[J]. CHINESE SCIENCE BULLETIN,2002,47(7):542-547.
APA Chen, F,Deng, F,Cheng, MJ,Yue, Y,&Ye, CH.(2002).Adsorption of Xe in zeolite MCM-22.CHINESE SCIENCE BULLETIN,47(7),542-547.
MLA Chen, F,et al."Adsorption of Xe in zeolite MCM-22".CHINESE SCIENCE BULLETIN 47.7(2002):542-547.
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