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Results 21-30 of 33 (Search time: 0.117 seconds).
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Issue DateTitleAuthor(s)Type
2007Review of procedures involving separation and preconcentration for the determination of cadmium using spectrometric techniquesKorn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Andrade, Jailson Bittencourt de; Lemos, Valfredo Azevedo; Santos, Walter Nei Lopes dos; Souza, Anderson Santos; Ferreira, Hadla Sousa; Rodrigues, Frederico de Medeiros; Pereira, Madson de Godoi; Silva, Erik Galvão Paranhos daArtigo de Periódico
2008Flow methodology for methanol determination in biodiesel exploiting membrane-based extractionAraujo, André R. T. S.; Saraiva, Maria Lúcia M. F. S.; Lima, José Luis Fontes da Costa; Korn, Maria das Graças AndradeArtigo de Periódico
2009Speeding up HCl extractions by employing ultrasound energy trace elements bioavailability in sedimentsHatje, Vanessa; Costa, Letícia M.; Korn, Maria das Graças Andrade; Cotrim, GabrielArtigo de Periódico
2004Preliminary evaluation of the cadmium concentration in seawater of the Salvador City, BrazilKorn, Maria das Graças Andrade; Ferreira, Adriana Costa; Costa, Antonio Celso SpinolaArtigo de Periódico
2002Separation and Pre-concentration of Cadmium, Copper, Lead, Nickel and Zinc by Solid-Liquid Extraction of their Cocrystallized Naphthalene Dithizone Chelate in Saline MatricesCosta, Antonio Celso Spinola; Lopes, Leila; Korn, Maria das Graças Andrade; Portela, Jicarla GusmãoArtigo de Periódico
2001Alternativas analíticas para determinação de ferro e titânio em cimento PortlandFranco Junior, Jorge de Oliveira; Korn, Maria das Graças Andrade; Costa, Antonio Celso Spinola; Santos Junior, Aníbal de Freitas; Teixeira, Leonardo Sena GomesArtigo de Periódico
2008Mineral composition of wheat flour consumed in Brazilian citiesAraujo, Rennan Geovanny Oliveira; Macedo, Samuel Marques; Korn, Maria das Graças Andrade; Pimentel, Maria Fernanda; Bruns, Roy Edward; Ferreira, Sergio Luis CostaArtigo de Periódico
2005Solid sampling analysis by flame atomic absorption spectrometry for lead determination in seawater samples after pre-concentration using cocrystallized alizarin red – naphthaleneKorn, Maria das Graças Andrade; Bispo, Márcia Sousa; Korn, Mauro; Costa, Adilson Ben da; Mattos, Julio Cezar Paz de; Paniz, José Neri Gottfried; Flores, Érico Marlon de MoraesArtigo de Periódico
2009A preconcentration system for determination of copper and nickel in water and food samples employing flame atomic absorption spectrometryTuzen, Mustafa; Soylak, Mustafa; Citak, Demirhan; Ferreira, Hadla S.; Korn, Maria das Graças Andrade; Bezerra, Marcos de AlmeidaArtigo de Periódico
2006Planejamento fatorial aplicado à digestão de amostras de feijão assistida por radiação microondasCosta, Letícia M.; Korn, Maria das Graças Andrade; Castro, Jacira T.; Santos, Wagna P. C.; Carvalho, Edivan V.; Nogueira, Ana Rita de AraujoArtigo de Periódico

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