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XRF-XANES characterization of deep ice core insoluble dust

DOI: 10.1039/c1ja10169b DOI Help

Authors: Augusto Marcelli (INFN) , Dariush Hampai (INFN) , Francesca Giannone (Università di Roma “Sapienza”) , Marco Sala (University of Milano Bicocca) , Valter Maggi (DISAT, University of Milano Bicocca; INFN Milano-Bicocca) , Federica Marino (DISAT, University of Milano Bicocca) , Stefano Pignotti (Ente Italiano della Montagna) , Giannantonio Cibin (Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Journal Of Analytical Atomic Spectrometry

State: Published (Approved)
Published: October 2011

Abstract: An analytical protocol based on X-ray spectroscopic measurements (XRF and Fe and Ti K-edges XAS) has been applied to evaluate the mineralogical phase composition of dust trapped in deep ice cores. Information on the insoluble dust composition and local and species-selective information as oxidation and coordination states has been obtained to recognize the main mineralogical families of aerosol particles contained in deep ice cores. In this framework we point out the possibility to obtain the mineralogical characterization of dust from deep ice core samples from Antarctica by means of XANES spectroscopy.

Subject Areas: Environment

Instruments: B18-Core EXAFS