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Browsing by Author Santos, Hilda Costa dos
Showing results 7 to 10 of 10
| Issue Date | Title | Author(s) | | 1998 | Preconcentration and Determination of Copper and Zinc in Natural Water Samples by ICP-AES After Complexation and Sorption on Amberlite XAD-2 | Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Ferreira, Janeide Reis; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso Spinola; Jesus, Djane Santiago de |
| 1997 | Sensitive 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 |
| 2003 | The determination of molybdenum in water and biological samples by graphite furnace atomic spectrometry after polyurethane foam column separation and preconcentration | Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Campos, Reinaldo C. |
| 2006 | The influence of Cu, Fe, Ni, Pb and Zn on gum formation in the Brazilian automotive gasoline | Teixeira, 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 |
Showing results 7 to 10 of 10
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