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Simultaneous analysis of oxygenated and nitrated polycyclic aromatic hydrocarbons on standard reference material 1649a (urban dust) and on natural ambient air samples by gas chromatography-mass spectrometry with negative ion chemical ionisation

Abstract : This study deals with the development of a routine analytical method using gas chromatography-mass spectrometry with negative ion chemical ionisation (GC/NICI-MS) for the determination of 17 nitrated polycyclic aromatic hydrocarbons (NPAHs) and 9 oxygenated polycyclic aromatic hydrocarbons (OPAHs) present at low concentrations in the atmosphere. This method includes a liquid chromatography purification procedure on solid-phase extraction (SPE) cartridge. Application of this analytical procedure has been performed on standard reference material (SRM 1649a: urban dust), giving results in good agreement with the few data available in the literature. The analytical method was also applied on ambient air samples (on both gas and particulate phases) from the French POVA program (POllution des Vallees Alpines). NPAHs concentrations observed for a rural site during the Winter period are about 0.2-100.0 pg m(-3) in the particulate phase and about 0.0-20.0 pg m(-3) in the gas phase. OPAHs present concentrations 10- 100 times higher (0.1-2.0 ng m(-3) and 0.0-1.4 ng m(-3) for the particulate and the gas phases, respectively). These preliminary results show a good correlation between the characteristics of the sampling site and the compound origins (primary or secondary).
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https://hal-ineris.archives-ouvertes.fr/ineris-00961902
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Alexandre Albinet, Eva Leoz-Garziandia, Hélène Budzinski, Eric Villenave. Simultaneous analysis of oxygenated and nitrated polycyclic aromatic hydrocarbons on standard reference material 1649a (urban dust) and on natural ambient air samples by gas chromatography-mass spectrometry with negative ion chemical ionisation. Journal of Chromatography A, Elsevier, 2006, 1121 (1), pp.106-113. ⟨10.1016/j.chroma.2006.04.043⟩. ⟨ineris-00961902⟩

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