Figueiredo, A.Costa, I. M.Brito, J.2015-11-052015-11-052015-08-30http://hdl.handle.net/10400.26/10180Poster presented at the Colloquium Spectroscopicum Internationale XXXIX. 30 Aug - 3 Sept 2015, Figueira da Foz, Coimbra, PORTUGALengElemental impuritiesWDXRFPharmaceuticalsDietary supplementsAnalysis of elemental impurities by WDXRF in pharmaceuticals and dietary supplementsconference object