HIGH-SPEED SATELLITE TRANSITION AL-27 MAS NMR-SPECTROSCOPY

被引：19

作者：

JAGER, C ^{[1
]}

ROCHA, J ^{[1
]}

KLINOWSKI, J ^{[1
]}

机构：

[1] UNIV CAMBRIDGE,DEPT CHEM,CAMBRIDGE CB2 1EW,ENGLAND

来源：

CHEMICAL PHYSICS LETTERS | 1992年 / 188卷 / 3-4期

关键词：

D O I：

10.1016/0009-2614(92)90010-K

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：

High-speed MAS gives a three-fold gain in resolution of the m <-> m-1 (m = 3/2 and - 1/2) satellite transitions of I = 5/2 nuclei in polycrystalline samples compared with the conventional "central transition" spectroscopy. This is demonstrated using a standard high-field NMR spectrometer and samples of tieilite and mullite. Signals from four- and six-coordinated Al are separated completely, and rotational sidebands do not overlap. Different six- and four-coordinated Al species can be distinguished.

引用

页码：208 / 212

页数：5

共 13 条

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