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Data do documento	Título	Autor(es)	Tipo
2007	Application of multivariate techniques for optimization of direct method for determination of lead in naphtha and petroleum condensate by electrothermal atomic absorption spectrometry	Dias, Fábio de Souza; Santos, Walter Nei Lopes dos; Costa, Antonio Celso Spinola; Welz, Bernhard; Vale, Maria Goreti R.; Ferreira, Sergio Luis Costa	Artigo de Periódico
2007	Cloud point extraction for the determination of lead and cadmium in urine by graphite furnace atomic absorption spectrometry with multivariate optimization using Box–Behnken design	Maranhão, Tatiane de A.; Martendal, Edmar; Borges, Daniel L. G.; Carasek, Eduardo; Welz, Bernhard; Curtius, Adilson José	Artigo de Periódico
2007	Investigation of phosphorus atomization using high-resolution continuum source electrothermal atomic absorption spectrometry	Dessuy, Morgana B.; Vale, Maria Goreti R.; Lepri, Fábio G.; Welz, Bernhard; Heitmann, Uwe	Artigo de Periódico
2007	Determination of As, Cd, Pb and Tl in coal by electrothermal vaporization inductively coupled plasma mass spectrometry using slurry sampling and external calibration against aqueous standards	Borges, Daniel L. G.; Welz, Bernhard; Curtius, Adilson José	Artigo de Periódico
2007	Progress in direct solid sampling analysis using line source and high-resolution continuum source electrothermal atomic absorption spectrometry	Welz, Bernhard; Vale, Maria Goreti R.; Borges, Daniel L. G.; Heitmann, Uwe	Artigo de Periódico
2007	Feasibility of using direct determination of cadmium and lead in fresh meat by electrothermal atomic absorption spectrometry for screening purposes	Damin, Isabel Cristina Ferreira; Silva, Márcia M.; Vale, Maria Goreti R.; Welz, Bernhard	Artigo de Periódico
2007	Determination of lead in sediments and sewage sludge by on-line hydride-generation axial-view inductively-coupled plasma optical-emission spectrometry using slurry sampling	Santos, Eder José dos; Herrmann, Amanda Beatriz; Frescura, Vera Lúcia Azzolin; Welz, Bernhard; Curtius, Adilson José	Artigo de Periódico
2007	Determination of mercury in biological samples by cold vapor atomic absorption spectrometry following cloud point extraction with salt-induced phase separation	Dittert, Ingrid M.; Maranhão, Tatiane A.; Borges, Daniel L. G.; Vieira, Mariana A.; Welz, Bernhard; Curtius, Adilson José	Artigo de Periódico
2007	Determination of aluminum in highly concentrated iron samples: Study of interferences using high-resolution continuum source atomic absorption spectrometry	Bohrer, Denise; Heitmann, Uwe; Huang, Mao dong; Becker-Ross, Helmut; Florek, Stefan; Welz, Bernhard; Bertagnolli, Denise	Artigo de Periódico
2007	Method 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 spectrometry	Oleszczuk, Nédio; Castro, Jacira T.; Silva, Márcia M. da; Korn, Maria das Graças Andrade; Welz, Bernhard; Vale, Maria Goreti R.	Artigo de Periódico