SORAYA MARIA RIZZO DA ROCHA
5 resultados
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Artigo IPEN-doc 11702 Trace amounts of rare earth elements in high purity samarium oxide by sector field inductively coupled plasma mass spectrometry after separation by HPLC2006 - PEDREIRA, W.R.; QUEIROZ, C.A.; ABRAO, ALCIDIO; ROCHA, SORAYA M.; VASCONCELLOS, MARI E. de; BOAVENTURA, G.R.; PIMENTEL, M.M.Artigo IPEN-doc 08626 Synthesis and characterization of lanthanum acetate for application as a catalyst2002 - ROCHA, S.M.R.; QUEIROZ, C.A.S.; ABRAO, A.Artigo IPEN-doc 10226 Synthesis and thermoanalytical characterization of samarium peroxocarbonate2004 - QUEIROZ, C.A.S.; VASCONCELLOS, M.E.; ROCHA, S.M.R.; SENEDA, J.A.; PEDREIRA, W.R.; MATOS, J.R.; ABRAO, A.Artigo IPEN-doc 11701 Enrichment of yttrium from rare earth concentrate by ammonium carbonate leaching and peroxide precipitation2006 - VASCONCELLOS, MARI E. de; ROCHA, SORAYA M.R. da; PEDREIRA FILHO, WALTER dos R.; QUEIROZ, CARLOS A. da S.; ABRAO, ALCIDIOArtigo IPEN-doc 12977 Solubility behavior of rare earths with ammonium carbonate and ammonium carbonate plus ammonium hydroxide: precipitation of their peroxicarbonates2008 - VASCONCELLOS, MARI E. de; ROCHA, S.M.R.; PEDREIRA, W.R.; QUEIROZ, CARLOS A. da S.; ABRAO, ALCIDIO