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Critical discussion on the need of suitable preconcentration techniques for the determination of heavy metals in wet and dry atmospheric depositions


Critical discussion on the need of suitable preconcentration techniques for the determination of heavy metals in wet and dry atmospheric depositions



Fresenius Environmental Bulletin 11(5): 227-232



ISSN/ISBN: 1018-4619

Two known preconcentration techniques (instrumental multiple injection GF-AAS and solvent extraction followed by back-extraction and GF-AAS determination) have been compared for the purpose of applying them to atmospheric wet and dry depositions collected with a DDAS sampler (Dry Deposition on aquatic surface), in which Cd, Cr, Cu, Ni, Pb and V concentrations are often lower than the detection limit of the commonly adopted analytical techniques.

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Accession: 003696864

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