Abstract
The characterization of aerosols in the marine coastal environment is complicated by the interference effects present both in the marine source and in the sink. Thus, the analysis of aerosol composition in this specific environment needs a special experimental setup and the use of suitable analytical techniques. Among these techniques, PIXE-based methods are particularly useful. The aim of this paper is to show how and to what extent PIXE and similar trace element oriented analytical and microanalytical methods (TEAM) can contribute to the clarification of some special problems in this field of research. After a short historical introduction we will briefly discuss the general problem of modelling aerosol processes in the coastal environment and we will also review some recent experimental results obtained using the AN2000 accelerator of the Laboratori Nazionali di Legnaro of the INFN. The results concern: (a) the study of enrichment in laboratory simulated marine aerosol production; (b) single particle detection using the 1.3 μm AN2000 Microprobe of LNL; and (c) comparison of Microprobe data with analogous SEM measurements.
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