Evaluation of the acid leaching technique for recovery of U3O8 and ThO2 in niobium/tantalum slag. Braz. J. Rad. Sci. [Internet]. 2023 May 30 [cited 2024 May 8];11(1A (Suppl.):01-17. Available from: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2165