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Quantification of soil pollution with methods based on X-ray detection like X-Ray Fluorescence (XRF) suffers of multiple bias (moisture, surface state) especially when it's used for in-situ analysis using portable-XRF. In order to study the effect of moisture on the results of an analysis performed using X-Ray, we have performed studies using high energy PIXE/PIGE at ARRONAX. Samples were made of sand of different types. High energy PIXE/PIGE allows us to avoid bias from surface state and to focus on moisture effect. It also allows to assess the chemical composition of the sample. Results show a different behavior for each element present in volcanic sand.
Ion beam analysis, High energy PIXE/PIGE, P-XRF
Le cyclotron ARRONAX est un projet soutenu par le conseil régional des Pays de la Loire et financé par les collectivités locales, l’état franà§ais et l’Union Européenne. Ce travail a été en partie financé par l’ANR dans le cadre de l’Equipex Arronax Plus no ANR-11-EQPX-0004 du programme "Investissements d’Avenir", et par le CPER 2007-2013 (opération "matériaux"), incluant des fonds FEDER.
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