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Bioconversion Reactions in Asphaltenes and Heavy Crude Oils

✍ Scribed by Premuzic, E. T.; Zhou, W. M.


Book ID
126116373
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
144 KB
Volume
13
Category
Article
ISSN
0887-0624

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H and 13C n.m.r. spectra of asphaltenes separated from a heavy crude oil using n-pentane at different temperatures were measured. Average molecular parameters and hypothetical structural models for these asphaltenes were proposed using n.m.r. measurements, calculated molecular weight of unit sheets