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| Issue Date | Title | Author(s) | | 2011 | On-line simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry | Santos, João Victor da Silva; Silva, O. B.; Araújo, André S.; Lemos, Valfredo Azevedo; Miró, Manuel; Ferreira, Sergio Luis Costa; Santos, Walter Nei Lopes dos |
| 2001 | An automated on-line flow system for the pre-concentration and determination of lead by flame atomic absorption spectrometry | Ferreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Santelli, Ricardo Erthal; Ganzarolli, Edgard; Curtius, Adilson José |
| 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 |
| 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 |
| 2004 | Doehlert matrix for optimisation of procedure for determination of nickel in saline oil-refinery effluents by use of flame atomic absorption spectrometry after preconcentration by cloud-point extraction | Bezerra, Marcos de Almeida; Conceição, André L. B.; Ferreira, Sergio Luis Costa |
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