Th-232 radiological aspects of carbonate niobium mining waste use as agricultural amendment
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Brazilian Journal of Radiation Sciences
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The use of mining residues in agriculture may be possible, as long as there be previous studies in different areas,
one of them being the analysis of the involved radionuclides behavior. This study determined the concentrations
of 232Th activity in soil, soil treated with lime, soil with carbonate residue from niobium mining, soil with the
mixture of lime and carbonate, in two moments. The transfer factor of 232Th from the soil to the plant was analyzed, in this case, lettuce (n=20), in the different types of treatment and in two moments. The addition of carbonate to the soils did not significantly alter the levels of radioactivity for 232Th radionuclide in lettuce. The effective dose resulting from the lettuce ingestion varied from 0.09 to 0.3 µSv y-1.
Como referenciar
AYLLON, R.M.; FURLAN, M.R.; EL HAJJ, T.M.; SILVA, P.S.C. Th-232 radiological aspects of carbonate niobium mining waste use as agricultural amendment. Brazilian Journal of Radiation Sciences, v. 11, n. 1A, p. 1-21, 2023. DOI: 10.15392/2319-0612.2023.2223. Disponível em: http://repositorio.ipen.br/handle/123456789/34220. Acesso em: 20 Mar 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.