Browsing by Author Santos, Hilda Costa dos

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Issue DateTitleAuthor(s)
2001Molybdenum determination in iron matrices by ICP-AES after separation and preconcentration using polyurethane foamFerreira, Sergio Luis Costa; Santos, Hilda Costa dos; Jesus, Djane Santiago de
2008Multivariate calibration in Fourier transform infrared spectrometry as a tool to detect adulterations in Brazilian gasolineTeixeira, Leonardo Sena Gomes; Oliveira, Fábio Santos de; Santos, Hilda Costa dos; Cordeiro, Paulo Wilson Louzado; Almeida, Selmo Q.
1998Preconcentration and Determination of Copper and Zinc in Natural Water Samples by ICP-AES After Complexation and Sorption on Amberlite XAD-2Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Ferreira, Janeide Reis; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso Spinola; Jesus, Djane Santiago de
1997Sensitive spectrophotometric determination of ascorbic acid in fruit juices and pharmaceutical formulations using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (Br-PADAP)Ferreira, Sergio Luis Costa; Bandeira, Marcus Luciano Souza de Ferreira; Lemos, Valfredo Azevedo; Santos, Hilda Costa dos; Costa, Antonio Celso Spinola; Jesus, Djane S. de
2003The determination of molybdenum in water and biological samples by graphite furnace atomic spectrometry after polyurethane foam column separation and preconcentrationFerreira, Sergio Luis Costa; Santos, Hilda Costa dos; Campos, Reinaldo C.
2006The influence of Cu, Fe, Ni, Pb and Zn on gum formation in the Brazilian automotive gasolineTeixeira, Leonardo Sena Gomes; Souza, Jurema de Castro; Santos, Hilda Costa dos; Pontes, Luiz Antônio Magalhães; Guimarães, Paulo R. B.; Vitor Sobrinho, Eledir; Vianna, Regina Ferreira
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