| Data do documento | Título | Autor(es) | Tipo |
| 2012 | Factorial and Doehlert designs in the optimization of a separation procedure using polyurethane foam as a solid phase extractant for platinum determination in ferrous matrices using inductively coupled plasma optical emission spectroscopy | Araújo, Neyla Margarida Lopo de; Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Jesus, Djane Santiago de; Bezerra, Marcos de Almeida | Artigo de Periódico |
| 1999 | On-line preconcentration system for ¯ame atomic absorption spectrometry using unloaded polyurethane foam: determination of zinc in waters and biological materials | Cassella, Ricardo Jorgensen; Bitencourt, Denise Teixeira; Branco, Aline Garcia; Ferreira, Sergio Luis Costa; Jesus, Djane Santiago de; Carvalho, Marcelo Souza de; Santelli, Ricardo Erthal | Artigo de Periódico |
| 1998 | Spectrophotometric Determination of Aluminium in Iron Ores Using Solid-Phase Extraction | Ferreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Costa, Antonio Celso Spinola; Jesus, Djane Santiago de; Carvalho, Marcelo Souza de | Artigo de Periódico |
| 2001 | Molybdenum determination in iron matrices by ICP-AES after separation and preconcentration using polyurethane foam | Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Jesus, Djane Santiago de | Artigo de Periódico |
| 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 | Artigo de Periódico |
| 1999 | An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloys | Ferreira, Sergio Luis Costa; Jesus, Djane Santiago de; Cassella, Ricardo Jorgensen; Costa, Antonio Celso Spinola; Carvalho, Marcelo Souza de; Santelli, Ricardo Erthal | Artigo de Periódico |
| 1998 | Quantitative separation of zinc traces from cadmium matrices by solid-phase extraction with polyurethane foam | Jesus, Djane Santiago de; Carvalho, Marcelo Souza de; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 1998 | Quantitative separation of zinc traces from cadmium matrices by solid-phase extraction with polyurethane foam | Jesus, Djane Santiago de; Carvalho, Marcelo Souza de; Costa, Antonio Celso Spinola; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 1998 | Polyurethane foam as a sorbent for continuous flow analysis: preconcentration and spectrophotometric determination of zinc in biological materials | Jesus, Djane Santiago de; Cassella, Ricardo Jorgensen; Ferreira, Sergio Luis Costa; Costa, Antonio Celso Spinola; Carvalho, Marcelo Souza de; Santelli, Ricardo Erthal | Artigo de Periódico |
