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| Issue Date | Title | Author(s) | | 2007 | Review of procedures involving separation and preconcentration for the determination of cadmium using spectrometric techniques | Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Andrade, Jailson Bittencourt de; Lemos, Valfredo Azevedo; Santos, Walter Nei Lopes dos; Souza, Anderson Santos; Ferreira, Hadla Sousa; Rodrigues, Frederico de Medeiros; Pereira, Madson de Godoi; Silva, Erik Galvão Paranhos da |
| 2000 | Copper determination in natural water samples by using FAAS after preconcentration onto amberlite XAD-2 loaded with calmagite | Ferreira, Sergio Luis Costa; Ferreira, Janeide R.; Dantas, Alailson Falcão; Lemos, Valfredo Azevedo; Araújo, Neyla Margarida Lopo de; Costa, Antonio Celso Spinola |
| 2005 | Behaviour of chemical modifiers in the determination of arsenic by electrothermal atomic absorption spectrometry in petroleum products | Rebouças, Márcio das Virgens; Ferreira, Sergio Luis Costa; Barros Neto, Benicio de |
| 2000 | A separation method to overcome the interference of aluminium on zinc determination by inductively coupled plasma atomic emission spectroscopy | Jesus, Djane S. de; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Carvalho, Marcelo Souza de |
| 2004 | Application of factorial design and Doehlert matrix in the optimisation of instrumental parameters for direct determination of silicon in naphtha using graphite furnace atomic absorption spectrometry | Amaro, Joana Angélica de Azerêdo; Ferreira, Sergio Luis Costa |
| 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 |
| 2003 | Application of Doehlert designs for optimisation of an on-line preconcentration system for copper determination by flame atomic absorption spectrometry | Ferreira, Sergio Luis Costa; Bezerra, Marcos de Almeida; Santos, Walter Nei Lopes dos; Barros Neto, Benício de |
| 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 |
| 2002 | Application of Doehlert matrix and factorial designs in optimization of experimental variables associated with preconcentration and determination of molybdenum in sea-water by inductively coupled plasma optical emission spectrometry | Ferreira, Sergio Luis Costa; Santos, Hilda Costa dos; Carvalho, Marcelo Souza de; Fernandes, Marcelo Santiago |
| 2004 | Use of modified rice husks as a natural solid adsorbent of trace metals: characterisation and development of an on-line preconcentration system for cadmium and lead determination by FAAS | Tarley, César Ricardo Teixeira; Ferreira, Sergio Luis Costa; Arruda, Marco Aurélio Zezzi |
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