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The application of the f.m.r. technique to coal characterization studies

✍ Scribed by Vivak M. Malhotra; William R.M. Graham

Book ID
107755956
Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
441 KB
Volume
64
Category
Article
ISSN
0016-2361

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The aromaticities of samples from nine Australian coal seams, including pairs of hand-picked vitrains and durains, have been determined by 13C cross-polarization n.m.r. spectroscopy with magic angle sample spinning. The results clearly show that the aromaticity (f,) of the coals increases with incre