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| Issue Date | Title | Author(s) | | 2008 | Pre-concentration procedure for determination of copper and zinc in food samples by sequential multi-element flame atomic absorption spectrometry | Ferreira, Hadla S.; Santos, Ana C. N.; Portugal, Lindomar A.; Costa, Antonio Celso Spinola; Miró, Manuel; Ferreira, Sergio Luis Costa |
| 2008 | Comparison of direct solid sampling and slurry sampling for the determination of cadmium in wheat flour by electrothermal atomic absorption spectrometry | Araujo, Rennan Geovanny Oliveira; Oleszczuk, Nédio; Rampazzo, Roger T.; Costa, Pedro A.; Silva, Márcia M.; Vale, Maria Goreti R.; Welz, Bernhard; Ferreira, Sergio Luis Costa |
| 2008 | Spectrophotometric determination of arsenic in soil samples using 2-(5-bromo-2-pyridylazo)-5-di-ethylaminophenol (Br-PADAP) | Pereira, S. F. P.; Ferreira, Sergio Luis Costa; Oliveira, G. R.; Palheta, D. C.; Barros, B. C. |
| 2008 | Fast method for the determination of copper, manganese and iron in seafood samples | Silva, Erik Galvão Paranhos da; Hatje, Vanessa; Santos, Walter Nei Lopes dos; Costa, Letícia M.; Nogueira, Ana Rita de Araujo; Ferreira, Sergio Luis Costa |
| 2008 | Direct determination of iron and manganese in wine using the reference element technique and fast sequential multi-element flame atomic absorption spectrometry | Ferreira, Sergio Luis Costa; Souza, Anderson Santos; Brandão, Geovani Cardoso; Ferreira, Hadla S.; Santos, Walter Nei Lopes dos; Pimentel, M. Fernanda; Vale, Maria Goreti R. |
| 2008 | Multivariate optimization of a solid phase microextraction-headspace procedure for the determination of benzene, toluene, ethylbenzene and xylenes in effluent samples from a waste treatment plant | Gaujac, Alain; Emídio, Elissandro Soares; Navickiene, Sandro; Ferreira, Sergio Luis Costa; Dórea, Haroldo Silveira |
| 2008 | Mineral composition of wheat flour consumed in Brazilian cities | Araujo, Rennan Geovanny Oliveira; Macedo, Samuel Marques; Korn, Maria das Graças Andrade; Pimentel, Maria Fernanda; Bruns, Roy Edward; Ferreira, Sergio Luis Costa |
| 2008 | Method development for the determination of lead in wine using electrothermal atomic absorption spectrometry comparing platform and filter furnace atomizers and different chemical modifiers | Dessuy, Morgana B.; Vale, Maria Goreti R.; Souza, Anderson Santos; Ferreira, Sergio Luis Costa; Welz, Bernhard; Katskov, Dmitri A. |
| 2008 | Espectrometria de absorção atômica: o caminho para determinações multi-elementares | Amorim, Fábio Alan Carqueija; Lôbo, Ivon Pinheiro; Santos, Vera Lúcia Câncio Souza; Ferreira, Sergio Luis Costa |
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