SI-29 SOLID-STATE NMR-STUDY OF THE SURFACE-STRUCTURE OF AEROSIL SILICA

被引：21
|
作者：
BREI, VV
机构：
来源：
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1994年 / 90卷 / 19期
关键词：
D O I：
10.1039/ft9949002961
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：
Quantitative data have been obtained on the surface structure of pyrogenic silica with a hydroxy group coating by solid-state Si-29 NMR. Considerations presented include the existence of intraglobular hydroxy groups, the thermal stability of silanediol population and the possibility of the existence of silanetriol groups. NMR spectra of crystalline specimens of polysilicic acid are also considered.
引用
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页码：2961 / 2964
页数：4
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