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Structural analysis of polycyclic aromatic hydrocarbons derived from petroleum and coal by 13C and 1H-n.m.r. spectroscopy

✍ Scribed by Li Rongbao; Shen Zengmin; Li Bailing


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
515 KB
Volume
67
Category
Article
ISSN
0016-2361

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High-resolution gated decoupling 13C spectra of soluble materials such as coal extracts have been analysed to evaluate the carbon aromaticity if,). A correlation was found between fa and the reciprocal of the square of the shorter component in spin-spin relaxation time (Tz), which was obtained by pu