Geochemical Investigation of Tar Balls Collected on a Beach on Žirje Island (Croatia) Using Petroleum Biomarkers (CROSBI ID 294892)
Prilog u časopisu | stručni rad | domaća recenzija
Podaci o odgovornosti
Marinović, Slavica ; Fajković, Hana ; Cuculić, Vlado
engleski
Geochemical Investigation of Tar Balls Collected on a Beach on Žirje Island (Croatia) Using Petroleum Biomarkers
Tar balls are frequently reported as indicators of the extent of marine pollution owing to spill incidents of crude oil or petroleum products. Representative tar ball samples collected on a beach on Žirje Island, Croatia, were geochemically characterised by gas chromatography coupled to mass spectrometry (GC/MS) in order to identify correlations between them and investigate potential sources. The chemical analysis of petroleum biomarkers, hopanes, and steranes, detected by gas chromatography/ mass spectrometry (GC/MS) generates information of great importance to environmental forensic investigations in terms of determining the source of spilled oil, differentiating and correlating oils, and monitoring the degradation process and weathering state of oils under a wide variety of conditions. The chromatographic signatures of hopane and sterane biomarkers in tar ball samples from Žirje Island were compared. Characteristic hopane and sterane fingerprints show that all the tar ball samples originated from crude oil spills. This study indicates that, the major source of tar balls was likely to be the same type of crude oil as evident from the petroleum biomarker fingerprints.
Tar balls ; oil spills ; GC/MS ; petroleum biomarkers
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Podaci o izdanju
70 (5-6)
2021.
311-317
objavljeno
0022-9830
1334-9090
10.15255/KUI.2020.059
Povezanost rada
Kemija