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Title

Fast solid-phase extraction-gas chromatography-mass spectrometry procedure for oil fingerprinting. Application to the Prestige oil spill

AuthorsAlzaga Morales, Roberto; Montuori, Paolo; Ortiz Vera, Laura; Bayona Termens, Josep María; Albaigés Riera, Joan
KeywordsOils
Environmental analysis
Solid-phase extraction
Fingerprinting; Alkanes
Polynuclear aromatic hydrocarbons
Issue Date30-Jan-2004
PublisherElsevier
CitationJournal of Chromatography A 1025(1): 133-138 (2004)
AbstractA rapid and simple fractionation procedure using solid-phase extraction (SPE) cartridges was developed for an accurate determination of aliphatic and polycyclic aromatic hydrocarbons in petroleum residues and further application in chemical fingerprinting of oil spills by gas chromatography–mass spectrometry (GC–MS). Among the adsorbents evaluated, SiO2/C3---CN exhibited the best selectivity, providing, by elution with n-hexane (4 ml) and n-hexane–CH2Cl2 (1:1) (5 ml), two well-resolved aliphatic and aromatic hydrocarbon fractions, with recoveries of 97±7.2 and 99.7±13.9%, respectively. The SPE fractionation procedure was compared with the conventional silica–alumina adsorption chromatography showing similar results but practical advantages in terms of reproducibility, analysis time, solvent reduction and cost. Moreover, is particularly suitable for routine analysis with a high sample throughput. The developed methodology was tested in the characterization of fuel-oil samples collected along the Spanish north-west coast, after the Prestige oil spill accident.
Description6 pages, 5 tables.-- PMID: 14753680 [PubMed].-- Available online Dec 4, 2003.-- Issue title: "ExTech 2003 - The 5th International Symposium on Advances in Extraction Technologies " (St. Pete Beach, Florida, USA, Mar 5-7, 2003).
Publisher version (URL)http://dx.doi.org/10.1016/j.chroma.2003.10.080
URIhttp://hdl.handle.net/10261/16659
DOI10.1016/j.chroma.2003.10.080
ISSN0021-9673
E-ISSN1873-3778
Appears in Collections:(IDAEA) Artículos

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