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Solid-state31P magic-angle spinning NMR relaxation study of silica-supported polyoxoanions of the Keggin and Dawson structures

✍ Scribed by Roland Contant; Claude Rocchiccioli-Deltcheff; Michel Fournier; René Thouvenot


Book ID
108029584
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
474 KB
Volume
72
Category
Article
ISSN
0927-7757

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The segmental motion of poly(ethylene oxide) grafted on silica has been investigated by 1H and 13C magnetic resonance. The local monomer units concentration on an interface is evaluated. Two independent techniques, namely magnetic relaxation and magic angle spinning, are used and give a good agreeme