Authors: Pedreira, WR Sarkis, JES Rodrigues, C Tomiyoshi, IA Queiroz, CAD Abrao, A

Citation: Wr. Pedreira et al., Determination of trace amounts of rare earth elements in highly pure praseodymium oxide by double focusing inductively coupled plasma mass spectrometry and high-performance liquid chromatography, J ALLOY COM, 323, 2001, pp. 49-52

Authors: Abrao, A de Freitas, AA de Carvalho, FMS

Citation: A. Abrao et al., Preparation of highly pure thorium nitrate via thorium sulfate and thoriumperoxide, J ALLOY COM, 323, 2001, pp. 53-56

Authors: Seneda, JA Figueiredo, FF Abrao, A Carvalho, FMS Frajndlich, EUC

Citation: Ja. Seneda et al., Recovery of uranium from the filtrate of 'ammonium diuranate' prepared from uranium hexafluoride, J ALLOY COM, 323, 2001, pp. 838-841