Abstract
We set up a microanalytical procedure for non-volatile ions by ion chromatography (IC) and for elements by energy-dispersive X-ray fluorescence (ED-XRF) and inductively coupled plasma optical emission spectroscopy (ICP-OES). We analysed NO3, SO4, NH4, Na, Mg, Ca, Fe, S, Zn, As, Cd, Cu, Mn, Ni, Pb, Sb, Se, Ti, and V. The use of complementary techniques yields reliable data for both trace and crustal elements, overcoming the analytical restrictions characteristic of the individual techniques. Some elements determined by two or by all three techniques can be used as data quality markers. The application of the procedure to a short PM2.5 monitoring campaign is also described, aimed to the identification of fireworks tracers.
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Acknowledgements
This study has been co-financed by the Italian Ministry of Education, University and Research (MIUR). Thanks are due also to Sorgenti Tesorino Spa for the financial contribution. The authors are indebted to Tiziana Sargolini for her valuable technical assistance.
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Astolfi, M.L., Canepari, S., Catrambone, M. et al. Improved characterisation of inorganic components in airborne particulate matter. Environ Chem Lett 3, 186–191 (2006). https://doi.org/10.1007/s10311-005-0029-7
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DOI: https://doi.org/10.1007/s10311-005-0029-7