Evaluation of the acid leaching technique for recovery of U3O8 and ThO2 in niobium/tantalum slag. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 11, n. 1A (Suppl.), p. 01–17, 2023. DOI: 10.15392/2319-0612.2023.2165. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2165.. Acesso em: 8 may. 2024.