Determination of polycyclic aromatic hydrocarbons in waters by ultrasound-assisted emulsification-microextraction and gas chromatography–mass spectrometry
In: Analytica Chimica Acta, Jg. 665 (2010-04-30), Heft 2, S. 193-199
academicJournal
Zugriff:
Abstract: An ultrasound-assisted emulsification-microextraction (USAEME) procedure was developed for the extraction of US EPA 16 polycyclic aromatic hydrocarbons (PAHs) in 10mL of water samples, with subsequent determination by gas chromatography–mass spectrometry (GC–MS). After determination of the most suitable solvent and solvent volume, several other parameters (i.e., extraction time, centrifugation time and ionic strength of the sample) were optimized using a 23 factorial experimental design. Limits of detection ranged from 0.001 to 0.036μgL−1. The developed procedure was applied to fortified distilled water with different fortification levels (0.5, 2 and 5μgL−1). Recoveries were over 92% and relative standard deviations of the recoveries were below 8%. The efficiency of the USAEME was compared with traditional liquid–liquid extraction (LLE) and solid-phase extraction on real water samples (i.e., tap water, well water and surface (lake) water as well as domestic and industrial wastewaters). The USAEME showed comparable efficiencies especially with LLE. The developed USAEME was demonstrated to be robust, viable, simple, rapid and easy to use for the determination of PAHs in water samples by GC–MS. [Copyright &y& Elsevier]
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Determination of polycyclic aromatic hydrocarbons in waters by ultrasound-assisted emulsification-microextraction and gas chromatography–mass spectrometry
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Autor/in / Beteiligte Person: | Ozcan, Senar ; Tor, Ali ; Aydin, Mehmet Emin |
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Zeitschrift: | Analytica Chimica Acta, Jg. 665 (2010-04-30), Heft 2, S. 193-199 |
Veröffentlichung: | 2010 |
Medientyp: | academicJournal |
ISSN: | 0003-2670 (print) |
DOI: | 10.1016/j.aca.2010.03.047 |
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