Carbonization of petroleum feedstocks II
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Semih Eser; Robert G. Jenkins
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Article
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1989
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Elsevier Science
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English
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The characterization of the asphaltene fractions of a range of petroleum feedstocks by FT-IR, 'H, and 13C NMR spectroscopy indicated distinct differences in the molecular structure of the asphaltenes. Some of these differences could be related to the variations in the size of the principal optical t