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Browsing by Author Vale, Maria Goreti R.

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Issue DateTitleAuthor(s)
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 Costa
2011Cloud point extraction for the determination of cadmium and lead employing sequential multi-element flame atomic absorption spectrometrySantos, Walter Nei Lopes dos; Cavalcante, Dannuza D.; Ferreira, Hadla S.; Virgens, Cesário Francisco das; Borges, Aline Rocha; Silva, Marcia M.; Vale, Maria Goreti R.
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 Costa
2013Detection of the origin of Brazilian wines based on the determination of only four elements using high-resolution continuum source flame AASBoschetti, Wiliam; Rampazzo, Roger T.; Dessuy, Morgana B.; Vale, Maria Goreti R.; Rios, Alessandro de Oliveira; Hertz, Plinho; Manfro, Vitor; Celso, Paulo G.; Ferrão, Marco F.
2013Detection of the origin of Brazilian wines based on the determination of only four elements using high-resolution continuum source flame AASBoschetti, Wiliam; Rampazzo, Roger T.; Dessuy, Morgana B.; Vale, Maria Goreti R.; Rios, Alessandro de Oliveira; Hertz, Plinho; Manfroi, Vitor; Celso, Paulo G.; Ferrão, Marco F.
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.
2010Determination of cadmium and lead in plastic material from waste electronic equipment using solid sampling graphite furnace atomic absorption spectrometryDuarte, Alvaro T.; Dessuy, Morgana B.; Silva, Marcia M.; Vale, Maria Goreti R.; Welz, Bernhard
May-2011Determination of mercury 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.; Borges, Daniel L. G.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, Helmut
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, Helmut
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, Helmut
2008Determination of volatile and non-volatile nickel and vanadium compounds in crude oil using electrothermal atomic absorption spectrometry after oil fractionation into saturates, aromatics, resins and asphaltenesVale, Maria Goreti R.; Silva, Márcia M.; Damin, Isabel Cristina Ferreira; Sanches Filho, Pedro J.; Welz, Bernhard
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.
2008Direct determination of iron and manganese in wine using the reference element technique and fast sequential multi-element flame atomic absorption spectrometryFerreira, Sergio Luis Costa; Souza, Anderson Santos; Brandão, Geovani Cardoso; Ferreira, Hadla S.; Santos, Walter Nei Lopes dos; Pimentel, M. Fernanda; Vale, Maria Goreti R.
2007Feasibility of using direct determination of cadmium and lead in fresh meat by electrothermal atomic absorption spectrometry for screening purposesDamin, Isabel Cristina Ferreira; Silva, Márcia M.; Vale, Maria Goreti R.; Welz, Bernhard
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, Jiří
2008Investigation of artifacts caused by deuterium background correction in the determination of phosphorus by electrothermal atomization using high-resolution continuum source atomic absorption spectrometryDessuy, Morgana B.; Vale, Maria Goreti R.; Lepri, Fábio G.; Borges, Daniel L. G.; Welz, Bernhard; Silva, Márcia M.; Heitmann, Uwe
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, Uwe
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, Bernhard
2008Method development for the determination of lead in wine using electrothermal atomic absorption spectrometry comparing platform and filter furnace atomizers and different chemical modifiersDessuy, Morgana B.; Vale, Maria Goreti R.; Souza, Anderson Santos; Ferreira, Sergio Luis Costa; Welz, Bernhard; Katskov, Dmitri A.
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.
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