PIXE and PIGE techniques for the analysis of Antarctic ice dust and continental sediments

• Published in: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
• Main Authors: Marino, F, Calzolai, G, Caporali, S, Castellano, E, Chiari, M, Lucarelli, F, Nava, S, Sala, M, Udisti, R., MAGGI, VALTER
• Other Authors: Maggi, V, Udisti, R
• Format: Article in Journal/Newspaper
• Language: English
• Published: North-Holland 2008
• Subjects: Antarctica; ice cores; atmospheric dust; palaeoclimatology; Antarctic; Antarc*
• Online Access: http://hdl.handle.net/10281/17883; https://doi.org/10.1016/j.nimb.2008.03.029

An analytical procedure has been implemented in this work for an accurate geochemical characterization and quantitative analysis of the fine dust (particles diameter < 5 μm) trapped in Antarctic ice cores and the fine fraction of potential source areas (PSA) sediments by size selection, filtering and PIXE-PIGE combined measurements. The underestimation of concentrations of the lighter elements, like Na, Mg, Al and Si, due to X-ray self-absorption inside each individual aerosol particle, was also evaluated and the analytical overall accuracy tested by means of measurements performed on size selected certified mineral standards. © 2008 Elsevier B.V. All rights reserved.