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| Issue Date | Title | Author(s) | | 2011 | Cloud point extraction for the determination of cadmium and lead employing sequential multi-element flame atomic absorption spectrometry | Santos, Walter Nei Lopes dos; Cavalcante, Dannuza D.; Ferreira, Hadla S.; Virgens, Cesário Francisco das; Borges, Aline Rocha; Silva, Marcia M.; Vale, Maria Goreti R. |
| 2011 | Biosorption of Pb(II) and Cd(II) ions by Agave sisalana (sisal fiber) | Santos, Walter Nei Lopes dos; Cavalcante, Dannuza Dias; Silva, Erik Galvão Paranhos da; Virgens, Cesário Francisco das; Dias, Fábio de Souza |
| 2006 | A pre-concentration procedure using coprecipitation for determination of lead and iron in several samples using flame atomic absorption spectrometry | Ferreira, Sergio Luis Costa; Saracoglu, S.; Soylak, Mustafa; Peker, D. S. Kacar; Elci, L.; Santos, Walter Nei Lopes dos; Lemos, Valfredo Azevedo |
| 2007 | Application of multivariate techniques for optimization of direct method for determination of lead in naphtha and petroleum condensate by electrothermal atomic absorption spectrometry | Dias, Fábio de Souza; Santos, Walter Nei Lopes dos; Costa, Antonio Celso Spinola; Welz, Bernhard; Vale, Maria Goreti R.; Ferreira, Sergio Luis Costa |
| 2006 | Separation and preconcentration procedures for the determination of lead using spectrometric techniques: A review | Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Andrade, Jailson Bittencourt de; Jesus, Djane S. de; Lemos, Valfredo Azevedo; Bandeira, Marcus Luciano Souza de Ferreira; Santos, Walter Nei Lopes dos; Bezerra, Marcos de Almeida; Amorim, Fábio Alan Carqueija; Souza, Anderson Santos |
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