Trace and major elements, natural and artificial radionuclides assessment in bottom sediments from Tietê River basin, São Paulo State, Brazil
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Journal of Radioanalytical and Nuclear Chemistry
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This paper aims at quantifying natural and artificial radionuclides, trace and major elements in sediments collected along the Tietê River basin. The results obtained for Cd, Cr, Cu, Ni and Zn, indicated that the region of “High Tietê” is highly polluted, followed by the region of “Middle Tietê” and the region of “Low Tietê” does not present evidence of contamination. The natural radionuclide concentrations were of the same order of magnitude of world average values and can be defined as basal levels of the region. Cesium-137 activity concentration ranged from 0.22 ± 0.08 Bq kg−1 to 0.96 ± 0.12 Bq kg−1.
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MAZZILLI, BARBARA P.; LAVIERI, LETICIA G.S.; SOARES, JOSIANE S.; ROCHA, FLAVIO R.; ANGELINI, MATHEUS; FAVARO, DEBORAH I.T. Trace and major elements, natural and artificial radionuclides assessment in bottom sediments from Tietê River basin, São Paulo State, Brazil: part III. Journal of Radioanalytical and Nuclear Chemistry, v. 331, n. 1, p. 129-144, 2022. DOI: 10.1007/s10967-021-08094-z. Disponível em: http://repositorio.ipen.br/handle/123456789/32733. Acesso em: 30 Dec 2025.
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