1. Universidade Federal da Bahia

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Resultado 61-70 de 145.
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Data do documentoTítuloAutor(es)Tipo
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
2005Use of experimental design in the optimisation of a solid phase preconcentration system for Cobalt determination by GFAASMatos, G. D.; Tarley, César Ricardo Teixeira; Ferreira, Sergio Luis Costa; Arruda, Marco Aurélio ZezziArtigo de Periódico
2010Development of an analytical approach for determination of total arsenic and arsenic (III) in airborne particulate matter by slurry sampling and HG-FAASMacedo, Samuel Marques; Santos, Debora C. dos; Jesus, Raildo M. de; Rocha, Gisele Olímpio da; Ferreira, Sergio Luis Costa; Andrade, Jailson Bittencourt deArtigo de Periódico
2003Use of factorial design and Doehlert matrix for multivariate optimisation of an on-line preconcentration system for lead determination by flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Santos, Walter Nei Lopes dos; Bezerra, Marcos de Almeida; Lemos, Valfredo Azevedo; Bosque-Sendra, Juan ManuelArtigo de Periódico
2002Application of factorial designs and Doehlert matrix in optimization of experimentalvariabl es associated with the preconcentration and determination of vanadium and copper in seawater by inductively coupled plasma optical emission spectrometryFerreira, Sergio Luis Costa; Queiroz, Adriana Santana; Fernandes, Marcelo Santiago; Hilda Costa dos Santos, TalmaArtigo de Periódico
2004Multivariate Optimization in Preconcentration Procedure for Manganese Determination in Seawater Samples by FAASFerreira, Adriana C.; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis CostaArtigo de Periódico
2001Molybdenum determination in iron matrices by ICP-AES after separation and preconcentration using polyurethane foamFerreira, Sergio Luis Costa; Santos, Hilda Costa dos; Jesus, Djane Santiago deArtigo de Periódico
2009Statistical mixture design development of digestion methods for Oyster tissue using inductively coupled plasma optical emission spectrometry for the determination of metallic ionsNano, Rita M. W.; Bruns, Roy Edward; Ferreira, Sergio Luis Costa; Baccan, Nivaldo; Cadore, SolangeArtigo de Periódico
2004Doehlert matrix: a chemometric tool for analytical chemistry—reviewFerreira, Sergio Luis Costa; Santos, Walter Nei Lopes dos; Quintella, Cristina Maria Assis Lopes Tavares da Mata Hermida; Barros Neto, Benício de; Bosque-Sendra, Juan ManuelArtigo de Periódico
1999Uso de irradiação de microondas na determinação espectrofotométrica de cromo com EDTACosta, Antonio Celso Spinola; Assis, Júlio César Rosa; Torres, André Luís Carvalho; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena GomesArtigo de Periódico

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