Study of thorium and uranium isotopes activity concentration after percolation or agitation leaching, in mining lixiviation liquor samples. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 8, n. 1, 2020. DOI: 10.15392/bjrs.v8i1.933. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/933.. Acesso em: 14 may. 2024.