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Data do documentoTítuloAutor(es)Tipo
2013Using the Doehlert matrix as a tool for studying the influence of gasoline components on octane numbersAssis, Júlio César Rosa; Teixeira, Josanaide Sant'Ana Ribeiro; Pontes, Luiz Antônio Magalhães; Guimarães, Paulo R. B.; Vianna, Regina Ferreira; Bezerra, Marcos de Almeida; Teixeira, Leonardo Sena GomesArtigo de Periódico
2008On-line preconcentration using a resin functionalized with 3,4-dihydroxybenzoic acid for the determination of trace elements in biological samples by thermospray flame furnace atomic absorption spectrometryLemos, Valfredo Azevedo; Bezerra, Marcos de Almeida; Amorim, Fábio Alan CarqueijaArtigo de Periódico
2012Factorial and Doehlert designs in the optimization of a separation procedure using polyurethane foam as a solid phase extractant for platinum determination in ferrous matrices using inductively coupled plasma optical emission spectroscopyAraújo, Neyla Margarida Lopo de; Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Jesus, Djane Santiago de; Bezerra, Marcos de AlmeidaArtigo 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
2004Doehlert matrix for optimisation of procedure for determination of nickel in saline oil-refinery effluents by use of flame atomic absorption spectrometry after preconcentration by cloud-point extractionBezerra, Marcos de Almeida; Conceição, André L. B.; Ferreira, Sergio Luis CostaArtigo de Periódico
2007On-line system for preconcentration and determination of metals in vegetables by Inductively Coupled Plasma Optical Emission SpectrometryBezerra, Marcos de Almeida; Santos, Walter Nei Lopes dos; Lemos, Valfredo Azevedo; Korn, Maria das Graças Andrade; 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
2009Application of multivariate optimization in the development of an ultrasound-assisted extraction procedure for multielemental determination in bean seeds samples using ICP OESSantos, Wagna Piler Carvalho; Castro, Jacira Teixeira; Bezerra, Marcos de Almeida; Fernandes, Andréa Pires; Ferreira, Sergio Luis Costa; Korn, Maria das Graças AndradeArtigo de Periódico
2003Application of Doehlert designs for optimisation of an on-line preconcentration system for copper determination by flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Bezerra, Marcos de Almeida; Santos, Walter Nei Lopes dos; Barros Neto, Benício deArtigo de Periódico
2013Evaluation of the oxidative stability of biodiesel blends from soybean, tallow and castor bean using experimental mixture designCarvalho, Anaildes Lago de; Santana, Sarah M. F.; Silva, Cristiane S.; Pepe, Iuri Muniz; Bezerra, Marcos de Almeida; Aragão, Leandro M.; Quintella, Cristina Maria Assis Lopes Tavares da Mata Hermida; Teixeira, Leonardo Sena GomesArtigo de Periódico

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