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Data do documentoTítuloAutor(es)Tipo
2000A separation method to overcome the interference of aluminium on zinc determination by inductively coupled plasma atomic emission spectroscopyJesus, Djane S. de; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Carvalho, Marcelo Souza deArtigo de Periódico
28-Fev-2005Factorial design in the optimization of preconcentration procedure for lead determination by FAASSoylak, Mustafa; Narin, Ibrahim; Bezerra, Marcos de Almeida; Ferreira, Sergio Luis CostaArtigo de Periódico
2006Statistical design-principal component analysis optimization of a multiple response procedure using cloud point extraction and simultaneous determination of metals by ICP OESBezerra, Marcos de Almeida; Bruns, Roy Edward; Ferreira, Sergio Luis CostaArtigo de Periódico
2002Application of Doehlert matrix and factorial designs in optimization of experimental variables associated with preconcentration and determination of molybdenum in sea-water by inductively coupled plasma optical emission spectrometryFerreira, Sergio Luis Costa; Santos, Hilda Costa dos; Carvalho, Marcelo Souza de; Fernandes, Marcelo SantiagoArtigo de Periódico
1993Adsorptive preconcentration for voltammetric measurements of trace levels of vanadium in the presence of copperFarias, Pércio Augusto Mardini; Ohara, Aniy K.; Takase, Iracema; Ferreira, Sergio Luis Costa; Gold, Jon S.Artigo de Periódico
1996Fast spectrophotometric determination of titanium in rocks with 3,4-dihydroxybenzoic acidFerreira, Sergio Luis Costa; Araújo, Neyla Margarida Lopo de; Matos, Renato C.; Torres, André Luís Carvalho; Costa, Antonio Celso SpinolaArtigo de Periódico
2001Enrichment and determination of molybdenum in geological samples and seawater by ICP-AES using calmagite and activated carbonSantos, Hilda Costa dos; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis CostaArtigo de Periódico
2013Determination of silver in airborne particulate matter collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid samplingAraujo, Rennan Geovanny Oliveira; Vignola, Fabíola; Castilho, Ivan N. B.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, HelmutArtigo de Periódico
2013A review of reflux systems using cold finger for sample preparation in the determination of volatile elementsFerreira, Sergio Luis Costa; Silva, Laiana O. B.; Santana, Fernanda Alves de; S. Junior, Mario M.; Matos, Geraldo D.; Santos, Walter Nei Lopes dosArtigo de Periódico
2010Use of multivariate analysis techniques for the characterization of analytical results for the determination of the mineral composition of kaleFadigas, Joelma C.; Santos, Ana Maria Pinto dos; Jesus, Raildo M. de; Lima, Daniel C.; Fragoso, Wallace D.; David, Jorge Mauricio; Ferreira, Sergio Luis CostaArtigo de Periódico