Browsing by Subject "Asphaltene"
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Evaluation of the chemical composition and structure of asphaltenes from there offshore brazilian biodegrades heavy oils
(2021) [Journal article]Asphaltenes fractions were extracted and purified from three heavy Brazilian oils. Their mass compositions of C, H, N, Ni and V were obtained from elemental analysis and S and O atomic percentages from EDS. The H/C ratios ...