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Data do documentoTítuloAutor(es)Tipo
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
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
2009Determination of total arsenic and arsenic (III) in phosphate fertilizers and phosphate rocks by HG-AAS after multivariate optimization based on Box-Behnken designMacedo, Samuel Marques; Jesus, Raildo M. de; Garcia, Karina S.; Hatje, Vanessa; Queiroz, Antônio Fernando de Souza; Ferreira, Sergio Luis CostaArtigo de Periódico
15-Fev-2005Optimisation of focused-microwave assisted digestion procedure for Kjeldahl nitrogen determination in bean samples by factorial design and Doehlert designKorn, Maria das Graças Andrade; Santos, Wagna P. C. dos; Korn, Mauro; Ferreira, Sergio Luis CostaArtigo de Periódico
2004Optimization of the preconcentration system of cadmium with 1(2-thiazolylazo)-p-cresol using a knotted reactor and flame atomic absorption spectrometric detectionCerutti, S.; Ferreira, Sergio Luis Costa; Gásquez, J. A.; Olsina, R. A.; Martinez, L. D.Artigo de Periódico
2009Speciation of chromium in river water samples contaminated with leather effluents by flame atomic absorption spectrometry after separation/preconcentration by cloud point extractionMatos, Geraldo D.; Reis, Edmagno B. dos; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis CostaArtigo 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
2004Use of modified rice husks as a natural solid adsorbent of trace metals: characterisation and development of an on-line preconcentration system for cadmium and lead determination by FAASTarley, César Ricardo Teixeira; Ferreira, Sergio Luis Costa; Arruda, Marco Aurélio ZezziArtigo 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
28-Fev-2005Determination of cadmium and lead in table salt by sequential multi-element flame atomic absorption spectrometryAmorim, Fábio Alan Carqueija; Ferreira, Sergio Luis CostaArtigo de Periódico

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