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Study of the effects of oil pollution; determination of the nature and distribution of petroleum products in soil profiles, using supercritical fluid extraction followed by gas chromatography and mass selective detection


Study of the effects of oil pollution; determination of the nature and distribution of petroleum products in soil profiles, using supercritical fluid extraction followed by gas chromatography and mass selective detection



Revista Romana de Petrol 5(2): 127-135



The study of the effects produced by oil pollution on soil is useful for site assessment and for evaluating the potential of the recovery methods mainly by stimulated biodegradation. The approach described in the present paper includes a supercritical fluid extraction step for semivolatile organic compounds contained in soil, followed by the GC-MSD and FT-IR analysis of the samples. The analytical procedure produced detailed data referring to the nature and age of the pollution event. Nevertheless, the sample processing by the FT-IR alternative is quite short, a complete analysis, including sample preparation and results evaluation, takes a few hours. The paper presents the analysis done for two profiles of soil contaminated with oil, located in the Moreni and Poieni areas.

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