MORAES, S.ABRAO, A.2015-11-062015-11-062015-11-062015-11-061976MORAES, S.; ABRAO, A. Technology of thorium purification. Analytical control of trace impurities in nuclear grade thorium by combination of amine extraction and atomic absorption techniques. 5p. (IEA-PUB-455). Disponível em: http://repositorio.ipen.br/handle/123456789/24821.http://repositorio.ipen.br/handle/123456789/248215openAccessabsorption spectroscopymetalspurificationsolvent extractionthoriumTechnology of thorium purification. Analytical control of trace impurities in nuclear grade thorium by combination of amine extraction and atomic absorption techniquesSérie Publicação IPEN