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Resultado 1-10 de 82.
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Data do documentoTítuloAutor(es)Tipo
1999An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloysFerreira, Sergio Luis Costa; Jesus, Djane Santiago de; Cassella, Ricardo Jorgensen; Costa, Antonio Celso Spinola; Carvalho, Marcelo Souza de; Santelli, Ricardo ErthalArtigo de Periódico
1997Resonance Raman investigation and semi-empirical calculation of the natural carotenoid bixinOliveira, Luiz F. C. de; Dantas, Sócrates O.; Velozo, Eudes da Silva; Santos, Paulo S.; Ribeiro, Mauro C. C.Artigo de Periódico
Mai-1999Nickel determination in saline matrices by ICP-AES after sorption on Amberlite XAD-2 loaded with PANFerreira, Sergio Luis Costa; Brito, Cristiane F. de; Dantas, Alailson Falcão; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso SpinolaArtigo de Periódico
1997Spectrophotometric and inductively coupled plasma atomic emission spectrometric determination of titanium in ilmenites after rapid dissolution with phosphoric acidAndrade, Jailson Bittencourt de; Nunes, Genebaldo S.; Veiga, Merilio P.; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa; Amorim, Adelaide Maria Mendonça; Reis, Selma T.Artigo de Periódico
1996Derivative spectrophotometric determination of nickel using Br-PADAPFerreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Jesus, Djane S. deArtigo de Periódico
1998Ionic Fragmentation of Methyl Methacrylate Induced by Synchrotron Radiation and Multiphoton IonizationQuintella, Cristina Maria Assis Lopes Tavares da Mata Hermida; Souza, Gerardo Gerson Bezerra de; Maciel, Joselito B.Artigo de Periódico
1998Absolute Configurations and Enantiomeric Compositions of 2-Methyl-1-butanol and 2-Methyl-1-pentanol by 1H-NMR Spectrometry of their Diastereomeric Valine EstersAndrade, Francisco A. de C.Artigo de Periódico
1993Cathodic adsorptive stripping voltammetry of nickel complexed with hydroxynaphthol blue at a static mercury drop electrodeFarias, Pércio Augusto Mardini; Ohara, Aniy K.; Takase, IracemaArtigo de Periódico
1999Thermal behavior of nafion membranesAlmeida, Selma Helena de; Kawano, YoshioArtigo de Periódico
1995Effect of chromium on magnetite formationVarela, Maria do Carmo Rangel Santos; Sassaki, Renato Massami; Galembeck, FernandoArtigo de Periódico

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