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Structural characterization of Saudi Arabian heavy crude oil by n.m.r. spectroscopy

โœ Scribed by Misbah U. Hasan; Mohammad F. Ali; A. Bukhari

Book ID
107755821
Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
685 KB
Volume
62
Category
Article
ISSN
0016-2361

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Chemical structure of asphaltenes in hea
Chemical structure of asphaltenes in heavy crude oils investigated by n.m.r.
โœ Latif H. Ali; Khalid A. Al-Ghannam; Jasim M. Al-Rawi ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 299 KB

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