Página de Busca


Filtros correntes:

Retornar valores
Adicionar filtros:

Utilizar filtros para refinar o resultado de busca.


Resultado 1-10 de 75.
Conjunto de itens:
Data do documentoTítuloAutor(es)Tipo
2001An automated on-line flow system for the pre-concentration and determination of lead by flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Santelli, Ricardo Erthal; Ganzarolli, Edgard; Curtius, Adilson JoséArtigo de Periódico
2000Application of polyurethane foam loaded with BTAC in an on-line preconcentration system: cadmium determination by FAASLemos, Valfredo Azevedo; Santelli, Ricardo Erthal; Carvalho, Marcelo Souza de; Ferreira, Sergio Luis CostaArtigo de Periódico
2001On-line preconcentration system for lead determination in seafood samples by flame atomic absorption spectrometry using polyurethane foam loaded with 2-(2-benzothiazolylazo)-2-p-cresolLemos, Valfredo Azevedo; Ferreira, Sergio Luis CostaArtigo de Periódico
2009Multivariate optimization and validation of an analytical method for the determination of cadmium in wines employing ET AASFerreira, Sergio Luis Costa; Jesus, Robson M. de; Matos, Geraldo D.; Andrade, Jailson Bittencourt de; Bruns, Roy Edward; Santos, Walter Nei Lopes dos; Cavalcante, Dannuza Dias; Vale, Maria G. R.; Dessuy, Morgana B.Artigo de Periódico
2003Arsenic determination in naphtha by electrothermal atomic absorption spectrometry after preconcentration using multiple injectionsRebouças, Márcio das Virgens; Ferreira, Sergio Luis Costa; Barros Neto, Benicio deArtigo de Periódico
2003The determination of molybdenum in water and biological samples by graphite furnace atomic spectrometry after polyurethane foam column separation and preconcentrationFerreira, Sergio Luis Costa; Santos, Hilda Costa dos; Campos, Reinaldo C.Artigo de Periódico
2001Solid phase spectrophotometry for the determination of cobalt in pharmaceutical preparationsTeixeira, Leonardo Sena Gomes; Costa, Antonio Celso Spinola; Assis, Júlio César Rosa; Ferreira, Sergio Luis Costa; Korn, MauroArtigo de Periódico
2004Characterization and determination of the thermodynamic and kinetic properties of the adsorption of the molybdenum(VI)–calmagite complex onto active carbonFerreira, Sergio Luis Costa; Andrade, Heloysa Martins Carvalho; Talma, Hilda Costa dos SantosArtigo de Periódico
2005Method development for the determination of manganese in wheat flour by slurry sampling flame atomic absorption spectrometryAraujo, Rennan Geovanny Oliveira; Dias, Fábio de Souza; Macedo, Samuel Marques; Santos, Walter Nei Lopes dos; Ferreira, Sergio Luis CostaArtigo de Periódico
2007Development of method for the speciation of inorganic iron in wine samplesFerreira, Sergio Luis Costa; Ferreira, Hadla S.; Jesus, Robson M. de; Santos, João Victor da Silva; Brandão, Geovani Cardoso; Souza, Anderson SantosArtigo de Periódico