The paper describes the characterization of polycyclic aromatic hydrocarbons (PAHs) in atmospheric aerosol samples using Gas Chromatography-Mass Spectrometry analysis. A data handling of GC/MS signals based on Experimental Autocovariance Function (EACVF) is described in order to directly characterize PAHs with a simple and reliable method suitable for processing large batches of samples. The method was successfully applied to 42 aerosol samples collected in different seasons (summer, fall and winter) in two locations in Northern Italy: Milan, a large urban area, and Oasi Le Bine, a rural site. The reliability of the EACVF results was verified by comparison with the values computed with the conventional GC/MS signal treatment and the data of independent studies. Two main emission sources were identified and described by PAH concentration profiles: the road traffic source (TR), characterized by high contributions of FLNT, PYR and CHR, and the residential combustion (COMB) mainly containing pyrogenic high molecular weight PAHs, i.e., CHR, BaP, BeP, BbF and BkF. In addition, some PAH diagnostic ratios were directly computed for the EACVF plot, to distinguish between traffic and combustion dominated emissions, i.e. the ratios CHR/BaP, PYR/BaP and PYR/BeP

Pietrogrande, M., Perrone, M., Sangiorgi, G., Ferrero, L., Bolzacchini, E. (2014). Data handling of GC/MS signals for characterization of PAH sources in Northern Italy aerosols. TALANTA, 120, 283-288 [10.1016/j.talanta.2013.12.010].

Data handling of GC/MS signals for characterization of PAH sources in Northern Italy aerosols

PERRONE, MARIA GRAZIA
Secondo
;
SANGIORGI, GIORGIA MAURA LUISA;FERRERO, LUCA
Penultimo
;
BOLZACCHINI, EZIO
Ultimo
2014

Abstract

The paper describes the characterization of polycyclic aromatic hydrocarbons (PAHs) in atmospheric aerosol samples using Gas Chromatography-Mass Spectrometry analysis. A data handling of GC/MS signals based on Experimental Autocovariance Function (EACVF) is described in order to directly characterize PAHs with a simple and reliable method suitable for processing large batches of samples. The method was successfully applied to 42 aerosol samples collected in different seasons (summer, fall and winter) in two locations in Northern Italy: Milan, a large urban area, and Oasi Le Bine, a rural site. The reliability of the EACVF results was verified by comparison with the values computed with the conventional GC/MS signal treatment and the data of independent studies. Two main emission sources were identified and described by PAH concentration profiles: the road traffic source (TR), characterized by high contributions of FLNT, PYR and CHR, and the residential combustion (COMB) mainly containing pyrogenic high molecular weight PAHs, i.e., CHR, BaP, BeP, BbF and BkF. In addition, some PAH diagnostic ratios were directly computed for the EACVF plot, to distinguish between traffic and combustion dominated emissions, i.e. the ratios CHR/BaP, PYR/BaP and PYR/BeP
Articolo in rivista - Articolo scientifico
Data handling; GC/MS signal processing; Polycyclic aromatic hydrocarbons; Source profiles
English
283
288
6
Pietrogrande, M., Perrone, M., Sangiorgi, G., Ferrero, L., Bolzacchini, E. (2014). Data handling of GC/MS signals for characterization of PAH sources in Northern Italy aerosols. TALANTA, 120, 283-288 [10.1016/j.talanta.2013.12.010].
Pietrogrande, M; Perrone, M; Sangiorgi, G; Ferrero, L; Bolzacchini, E
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/134837
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