Improved Accuracy of GC-MS Quantification of Aliphatic and Aromatic Hydrocarbons in Marine Sediments and Petroleums. Validation on Reference Matrices and Application to the Erika Oil Spill
作者： Laurent Mazeas , Hélène Budzinski
DOI: 10.1080/713714609
关键词:
摘要: A rapid and simple analytical procedure allowing accurate quantification of aliphatic aromatic hydrocarbons in sediments petroleum has been developed. Sediments were Soxhlet extracted using methylene chloride for 48 h. Oil maltene fractions isolated by asphaltene precipitation pentane. Sediment oil extracts first purified alumina micro-columns. Saturated then separated from ones fractionation on silica gel. Alkanes polycyclic (PAHs) analyzed separately gas chromatography coupled to mass spectrometry (GC-MS). PAHs alkanes quantified relative perdeuterated introduced prior extraction. For quantification, it is important use several that cover the volatility range interest at least one PAH per class aromaticity. This validated a reference material sediment (SRM 1941a) ma...
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