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Data do documentoTítuloAutor(es)Tipo
2005Application of multivariate technique in method development for the direct determination of copper in petroleum condensate using graphite furnace atomic absorption spectrometrySantos, Walter Nei Lopes dos; Dias, Fábio de Souza; Fernandes, M. S.; Rebouças, Márcio das Virgens; Vale, Maria Goreti Rodrigues; Welz, Bernhard; Ferreira, Sergio Luis CostaArtigo de Periódico
2013Determination of silver in airborne particulate matter collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid samplingAraujo, Rennan Geovanny Oliveira; Vignola, Fabíola; Castilho, Ivan N. B.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, HelmutArtigo de Periódico
2013Determinations of Sb and Mo in Cairo's dust using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sample analysisShaltout, Abdallah A.; Welz, Bernhard; Castilho, Ivan N. B.Artigo de Periódico
2007Application of multivariate techniques for optimization of direct method for determination of lead in naphtha and petroleum condensate by electrothermal atomic absorption spectrometryDias, Fábio de Souza; Santos, Walter Nei Lopes dos; Costa, Antonio Celso Spinola; Welz, Bernhard; Vale, Maria Goreti R.; Ferreira, Sergio Luis CostaArtigo de Periódico
2007Cloud point extraction for the determination of lead and cadmium in urine by graphite furnace atomic absorption spectrometry with multivariate optimization using Box–Behnken designMaranhão, Tatiane de A.; Martendal, Edmar; Borges, Daniel L. G.; Carasek, Eduardo; Welz, Bernhard; Curtius, Adilson JoséArtigo de Periódico
2011Hydride generation in-atomizer collection atomic absorption spectrometry for the determination of antimony in acetic acid leachates from pewter cupsVale, Maria Goreti R.; Dessuy, Morgana B.; Kratzer, Jan; Welz, Bernhard; Dědina, JiříArtigo de Periódico
2012Comparison of three different sample preparation procedures for the determination of traffic-related elements in airborne particulate matter collected on glass fiber filtersCastilho, Ivan N. B.; Welz, Bernhard; Andrade, Jailson Bittencourt de; Smichowski, Patricia; Shaltout, Abdallah A.; Colares, Lígia; Carasek, EduardoArtigo de Periódico
2007Investigation of phosphorus atomization using high-resolution continuum source electrothermal atomic absorption spectrometryDessuy, Morgana B.; Vale, Maria Goreti R.; Lepri, Fábio G.; Welz, Bernhard; Heitmann, UweArtigo de Periódico
2007Determination of As, Cd, Pb and Tl in coal by electrothermal vaporization inductively coupled plasma mass spectrometry using slurry sampling and external calibration against aqueous standardsBorges, Daniel L. G.; Welz, Bernhard; Curtius, Adilson JoséArtigo de Periódico
2007Progress in direct solid sampling analysis using line source and high-resolution continuum source electrothermal atomic absorption spectrometryWelz, Bernhard; Vale, Maria Goreti R.; Borges, Daniel L. G.; Heitmann, UweArtigo de Periódico

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