Proceedings of Conference on Coal Science
Online ISSN : 2423-8309
Print ISSN : 2423-8295
ISSN-L : 2423-8295
[volume title in Japanese]
Conference information

Name : The 35th Conference of Coal Science

Number : 35

Location : [in Japanese]

Date : November 19, 1998 - November 20, 1998

93. ESR Frozen Solution Spectra of the Coal Extacts by Solvent Extraction
TAKEMITSU Kikuchi, Masashi IINO
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 367-

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Abstract
The Upper Freeport coal's components fractionated by solvent extraction were studied by X-band ESR spectroscopy. The pyridine soluble and acetone soluble NMP solutions showed organic radical peaks. Their powder patterns are anisotropic and broader. The differences come from the magnetic asymmetry about the radical by packing effect.
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© 1998 The Japan Institute of Energy
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