Browsing by Author Costa, Geraldo Magela da

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Issue DateTitleAuthor(s)
2009Heterogeneous Fenton reactants : a study of the behavior of iron oxide nanoparticles obtained by the polymeric precursor method.Giraldi, Tânia Regina; Arruda, Cezar Carvalho de; Costa, Geraldo Magela da; Silva, Elson Longo da; Oliveira, Cauê Ribeiro de
2006High temperature oxidation behavior of AISI 304 and AISI 430 stainless steels.Carvalho, Carlos Eduardo Reis de; Costa, Geraldo Magela da; Cota, André Barros; Rossi, Édson Hugo
1995Influence of nonstoichiometry and the presence of maghemite on the Mössbauer spectrum of magnetite.Costa, Geraldo Magela da; Grave, Eddy De; Bakker, P. M. A. de; Vandenberghe, Robert Emile
2007Influence of the borohydride concentration on the composition of the amorphous Fe–B alloy produced by chemical reduction of synthetic, nano-sized iron oxide particles Part II. Goethite.Resende, Valdirene Gonzaga de; Grave, Eddy De; Costa, Geraldo Magela da; Janssens, J.
2004Influência da distribuição granulométrica do pellet feed no processo de aglomeração e na qualidade da pelota de minério de ferro para redução direta.Fonseca, Maurício Cota
2011Influência da mineralogia na etapa de separação da lama vermelha no processo Bayer.Avelar, Angela Nair
2014Insight into magnetite nanoparticle phase evolution in solvothermal synthesis through a simple method based on iron chloride and metallic iron.Silva, F. B. F.; Paris, Elaine Cristina; Costa, Geraldo Magela da; Ribeiro, C.
1998Iron oxides in a soil developed from basalt.Goulart, Antonio Taranto; Fabris, José Domingos; Jesus Filho, M. F. de; Coey, J. M. D.; Costa, Geraldo Magela da; Grave, Eddy De
2007Iron-bearing phases in a peat-derived duricrust from Brazil.Varajão, Angélica Fortes Drummond Chicarino; Costa, Geraldo Magela da; Varajão, César Augusto Chicarino; Meunier, Alain; Colin, Fabrice
2013Low-temperature Mossbauer study of heterosite, (Fe, Mn)PO4.Grave, Eddy De; Costa, Geraldo Magela da; Alboom, Antoine Van; Vandenberghe, Robert Emile
2012Measurements of natural radioactivity and Mössbauer Effect in some soil samples collected from the new campus of Taif University, Saudi Arabia.Ahmed, M. A.; Sharshar, T.; Hassan, H. E.; Costa, Geraldo Magela da; Grave, Eddy De
2015Microesferas magnéticas à base de poli (metacrilato de metila-co-divinilbenzeno) obtidas por polimerização em suspensão.Castanharo, Jacira Aparecida; Ferreira, Ivana Lourenço de Mello; Costa, Marcos Antônio da Silva; Silva, Manoel Ribeiro da; Costa, Geraldo Magela da; Oliveira, Márcia Gomes de
2007Mineralogical, micromorphological and geochemical evolution of the kaolin facies deposit from the Capim region (northern Brazil).Sousa, Daniel José Lima de; Varajão, Angélica Fortes Drummond Chicarino; Jacques, Yvon; Costa, Geraldo Magela da
2000Mossbauer characterization of iron oxides and (oxy)hydroxides : the present state of the art.Vandenberghe, Robert Emile; Barrero, C. A.; Costa, Geraldo Magela da; San, E. Van; Grave, Eddy De
1998Mossbauer studies of magnetite and Al-substituted maghemites.Costa, Geraldo Magela da; Grave, Eddy De; Vandenberghe, Robert Emile
1991Mössbauer and X-ray diffraction studies of the Morin transition in tabular hematites.Costa, Geraldo Magela da; Silva, E. Galvão da; Jesus Filho, M. F. de
2015Mössbauer spectroscopic study of natural eosphorite, [(Mn,Fe)AlPO4(OH)2H2O].Alboom, Antoine Van; Resende, Valdirene Gonzaga de; Costa, Geraldo Magela da; Grave, Eddy De
1994Mössbauer studies of nano-sized aluminum-substituted maghemites.Costa, Geraldo Magela da; Grave, Eddy De; Bryan, A. M.; Bowen, L. H.
1991Mössbauer study of rock paintings from Minas Gerais, Brazil.Costa, Geraldo Magela da; Souza, Luiz Antonio Cruz; Jesus Filho, M. F. de
2016Nanocomposite hydrogels based on iota - carrageenan and maghemite : morphological, thermal and magnetic properties.Maciel, Diana José; Ferreira, Ivana Lourenço de Mello; Costa, Geraldo Magela da; Silva, Manoel Ribeiro da