Proceedings of Conference on Coal Science
Online ISSN : 2423-8309
Print ISSN : 2423-8295
ISSN-L : 2423-8295
[volume title in Japanese]
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86. The Structural Analysis of Coals Using Multinuclear NMR Methods
Koji SaitoMoriaki HatakeyamaKenji KatohIkuo Komaki
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Pages 343-346

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Abstract
The NMR techniques offers non-destructive solid state examination of chemical and physical properties of coal structures. Of the NMR techniques being used for coal studies the most common are based on ^<13>C, using direct polarization due to ^<13>C spin-lattice relaxation approach. But this method has the limitation from the view point of measurement time and information. The present paper discusses the information on chemical functionalities present in three coals and their relative concentrations that provided by multi-nuclear NMR methods.
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© 1998 The Japan Institute of Energy
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