Determination of heavy metals and other trace elements in lake sediments from a sewage treatment plant by neutron activation analysis
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Journal of Radioanalytical and Nuclear Chemistry
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Instrumental neutron activation analysis (INAA) was used to determine metals (Ba, Co, Cr, Cs, Fe, Hf, Rb, Sc, Zn), semi-metals (As, Sb), actinides (U, Th) and rare earth elements (La, Ce, Nd, Sm, Eu, Tb, Yb and Lu) in bottom sediments from one of the ponds of the Sewage Treatment Plant (STP) in São Paulo, Brazil. The results obtained were compared with the concentration determined in a soil profile and in a rock sample, in natura, representing the lithologies of the region, and indicated that only As, Cr and Zn can have their origin associated with the residues disposed around the pond.
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RIBEIRO, A.P.; FIGUEIREDO, A.M.G.; SIGOLO, J.B. Determination of heavy metals and other trace elements in lake sediments from a sewage treatment plant by neutron activation analysis. Journal of Radioanalytical and Nuclear Chemistry, v. 263, n. 3, p. 645-651, 2005. DOI: 10.1007/s10967-005-0638-4. Disponível em: http://repositorio.ipen.br/handle/123456789/5570. Acesso em: 27 Mar 2026.
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