IBIL analysis of road dust samples from San Bernardo tunnel.
作者： Gabrio Valotto , Alberto Quaranta , Graziano Guella , Giancarlo Rampazzo
DOI: 10.1016/J.SAA.2013.07.058
关键词: Mineralogy 、 Fluorescence spectroscopy 、 Chemistry 、 Particulates 、 Reference sample 、 Road dust 、 Air pollutants
摘要: Abstract Road dust in urban or industrial sites is an important source of atmospheric particulate by re-suspension finer particles that may contain potentially toxic pollutants. In this work Ion Beam Induced Luminescence (IBIL), Nuclear Magnetic Resonance and fluorescence spectroscopy analyses were used to characterize road samples with particle size lower than 250 μm collected on the walls floor ventilation air shaft “Traforo del San Bernardo” highway tunnel. Moreover, for comparison, IBIL performed both some possible anthropic sources matter a reference sample (BCR-723). spectra as function fluence analyzed multivariate approach order identify spectral components evolving different rate. extracted study contribution organic compounds features. Results point out IBIL, here first time analysis, can be applied identification characterizing origin.
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