Spectroscopic studies of O-17 and O-18 labelled ZSM-5 zeolites

被引：0
作者：
Bauer, F
Ernst, H
Geidel, E
Peuker, C
Pilz, W
机构：
[1] UNIV HAMBURG, D-20146 HAMBURG, GERMANY
[2] HUMBOLDT UNIV BERLIN, D-12489 BERLIN, GERMANY
来源：
PROGRESS IN ZEOLITE AND MICROPOROUS MATERIALS, PTS A-C | 1997年 / 105卷
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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：
Using mild hydrothermal conditions zeolite ZSM-5 was labelled with O-17 and O-18 and studied by multi-nuclear MAS NMR Raman and IR spectroscopy. The O-17 NMR experiments gave a quadrupole coupling constant of about 5.5 MHz. In the case of O-18 substitution frequency shifts of Raman and IR bands up to 50 cm(-1), in good agreement with model calculations, were found. The IR spectrum of coke deposits on O-18-labelled HZSM-5 showed no isotope shift.
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页码：487 / 494
页数：8
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