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Issue DateTitleAuthor(s)Type
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
2010Optimization of fluorine determination via the molecular absorption of gallium mono-fluoride in a graphite furnace using a high-resolution continuum source spectrometerGleisner, Heike; Welz, Bernhard; Einax, Jürgen W.Artigo de Periódico
May-2011Direct determination of arsenic in petroleum derivatives by graphite furnace atomic absorption spectrometry: A comparison between filter and platform atomizersBecker, Emilene M.; Rampazzo, Roger T.; Dessuy, Morgana B.; Vale, Maria Goreti R.; Silva, Márcia M. da; Welz, Bernhard; Katskov, Dmitri A.Artigo 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
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
Apr-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
2014Investigation of spectral interferences in the determination of lead in fertilizers and limestone samples using high-resolution continuum source graphite furnace atomic absorption spectrometryBorges, Aline Rocha; Becker, Emilene M.; François, Luciane L.; Jesus, Alexandre de; Valea, Maria Goreti R.; Welz, Bernhard; Dessuy, Morgana B.; Andrade, Jailson Bittencourt deArtigo de Periódico
2011Determination of cadmium and lead in beverages after leaching from pewter cups using graphite furnace atomic absorption spectrometryBorges, Aline Rocha; Vale, Maria Goreti R.; Welz, Bernhard; Silva, Márcia M.; Dessuy, Morgana B.; Martelli, Patrícia B.Artigo de Periódico
2007Determination of aluminum in highly concentrated iron samples: Study of interferences using high-resolution continuum source atomic absorption spectrometryBohrer, Denise; Heitmann, Uwe; Huang, Mao dong; Becker-Ross, Helmut; Florek, Stefan; Welz, Bernhard; Bertagnolli, DeniseArtigo de Periódico
2008Comparison of direct solid sampling and slurry sampling for the determination of cadmium in wheat flour by electrothermal atomic absorption spectrometryAraujo, Rennan Geovanny Oliveira; Oleszczuk, Nédio; Rampazzo, Roger T.; Costa, Pedro A.; Silva, Márcia M.; Vale, Maria Goreti R.; Welz, Bernhard; Ferreira, Sergio Luis CostaArtigo de Periódico