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- W2022831990 abstract "Abstract Alterations in the composition of a Light Arabian crude oil has been studied in situ during 12 months in an artificially contaminated site. After 12 months of experimentation, C 17 Pr and C 18 Ph ratios could not be used, because the isoprenoids were no longer stable. In contrast, a high degree of stability of biomarkers, especially hopanes, was observed. These are very useful tools to assess alterations in other less stable classes of saturated compounds ( n -alkanes and isoprenoids) contained in petroleum. Marked degradation of both n -alkanes and isoprenoids (using 17α21β C 30 hopane as “internal standard”) has been evidenced. The use of biomarkers also made it possible to observe a burying process which occurred down to 6 cm deep after 12 months of experimentation." @default.
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- W2022831990 date "1997-04-01" @default.
- W2022831990 modified "2023-10-16" @default.
- W2022831990 title "The use of hopanes to track in situ variations in petroleum composition in surface sediments" @default.
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- W2022831990 doi "https://doi.org/10.1016/s0045-6535(97)00023-4" @default.
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