P-31->H-1 cross-polarization and H-1 spin diffusion NMR in the large-pore gallophosphate molecular sieve cloverite

被引：4

作者：

Kolodziejski, W ^{[1
]}

Klinowski, J ^{[1
]}

机构：

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

来源：

CHEMICAL PHYSICS LETTERS | 1997年 / 266卷 / 5-6期

关键词：

D O I：

10.1016/S0009-2614(97)00029-8

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：

P-31 --> H-1 cross-polarization and H-1 spin diffusion assist in the assignment of the H-1 NMR peak at 6.4 ppm to structural P-OH groups in hydrated cloverite. The chemical shift confirms the high Bronsted acidity of these groups, in agreement with the earlier ESCA and IR results.

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页码：597 / 600

页数：4

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