Characterization of delammated zeolites by 129Xe NMR with laser-hyperpolarized xenon

被引：0
|
作者：
Springuel-Huet, MA
Nossov, A
Guenneau, F
Fornés, V
Corma, A
Fraissard, J
Gédéon, A
机构：
[1] Univ Paris 06, Lab SIEN, F-75252 Paris, France
[2] UPV, CSIC, Inst Tecnol Quim, Valencia 46022, Spain
来源：
RECENT ADVANCES IN THE SCIENCE AND TECHNOLOGY OF ZEOLITES AND RELATED MATERIALS, PTS A - C | 2004年 / 154卷
关键词：
MCM-22; ferrierite; delaminated zeolites; ITQ-2; ITQ-6; Xe-129; NMR;
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Delaminated materials (ITQ-2 and ITQ-6) and their corresponding zeolite precursors, MCM-22 and ferrierite, respectively, have been studied with Xe-129 NMRof adsorbed xenon. With respect to the spectra of the precursors, one-dimensional (I D) spectra of delaminated materials show additional lines at lower chemical shift characteristic of larger adsorption sites. Two-dimensional (M) exchange NMR experiments of samples under magic angle spinning conditions and continuous flow of Xe allowed to determine the exchange between different sites and obtain information on the delamination process.
引用
收藏
页码：1204 / 1211
页数：8
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