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Resultado 1-10 de 37.
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Data do documentoTítuloAutor(es)Tipo
2013Sequential determination of Cd and Cr in biomass samples and their ashes using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sample analysisDuarte, Alvaro T.; Dessuy, Morgana B.; Vale, Maria Goreti R.; Welz, Bernhard; Andrade, Jailson Bittencourt deArtigo de Periódico
2013Effect of magnesium acetylacetonate on the signal of organic forms of vanadium in graphite furnace atomic absorption spectrometryKowalewska, Zofia; Welz, Bernhard; Castilho, Ivan N. B.; Carasek, EduardoArtigo de Periódico
2013Determination of sulfur in coal using direct solid sampling and high-resolution continuum source molecular absorption spectrometry of the CS molecule in a graphite furnaceMior, Renata; Morés, Silvane; Welz, Bernhard; Carasek, Eduardo; Andrade, Jailson Bittencourt deArtigo de Periódico
Abr-2011Method development for the determination of cadmium in fertilizer samples using high-resolution continuum source graphite furnace atomic absorption spectrometry and slurry samplingBorges, Aline Rocha; Becker, Emilene M.; Lequeux, Céline; Vale, Maria Goreti R.; Ferreira, Sergio Luis Costa; Welz, BernhardArtigo de Periódico
2009Simultaneous Determination of Cd and Fe in Beans and Soil of Different Regions of Brazil Using High-Resolution Continuum Source Graphite Furnace Atomic Absorption Spectrometry and Direct Solid SamplingSantos, Lisia Maria Gobbo dos; Welz, Bernhard; Araujo, Rennan Geovanny Oliveira; Jacob, Silvana do C.; Vale, Maria Goreti R.; Martens, Andreas; Martens, Irland B. Gonzaga; Ross, Helmut BeckerArtigo de Periódico
2007Method development for the determination of manganese, cobalt and copper in green coffee comparing direct solid sampling electrothermal atomic absorption spectrometry and inductively coupled plasma optical emission spectrometryOleszczuk, Nédio; Castro, Jacira T.; Silva, Márcia M. da; Korn, Maria das Graças Andrade; Welz, Bernhard; Vale, Maria Goreti R.Artigo de Periódico
2007Determination of mercury in biological samples by cold vapor atomic absorption spectrometry following cloud point extraction with salt-induced phase separationDittert, Ingrid M.; Maranhão, Tatiane A.; Borges, Daniel L. G.; Vieira, Mariana A.; Welz, Bernhard; Curtius, Adilson JoséArtigo de Periódico
2008Single drop micro-extraction with O,O-diethyl dithiophosphate for the determination of lead by electrothermal atomic absorption spectrometryMaltez, Heloísa França; Borges, Daniel L. G.; Carasek, Eduardo; Welz, Bernhard; Curtius, Adilson JoséArtigo 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
2014Strontium mono-chloride — A new molecule for the determination of chlorine using high-resolution graphite furnace molecular absorption spectrometry and direct solid sample analysisPereira, Éderson R.; Welz, Bernhard; Lopez, Alfredo H. D.; Gois, Jefferson S. de; Caramori, Giovanni Finoto; Borges, Daniel L. G.; Carasek, Eduardo; Andrade, Jailson Bittencourt deArtigo de Periódico