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High resolution N.M.R. in solids

โœ Scribed by P. Mansfield

Book ID
107985334
Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
127 KB
Volume
32
Category
Article
ISSN
0375-9601

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High resolution 13C-n.m.r. spectroscopy can be performed in the solid state by taking advantage of 1H-13C cross-polarization (CP) and magic angle spinning (MAS). This technique is presently applied to identify in situ carbonaceous residues from zeolite-catalysed reactions. H-ZSM 5 and H-Mordenite c

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A polarizatian inversion method was employed lo study the nature of co& by high-resohtion solid-state 13C CP/MAS n.m.r. Comparison with synthetic polymers allowed evaluation of the relative molecular mobility of individual functional groups in coal samples. Some possible applications of the method i