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| Issue Date | Title | Author(s) | | Sep-2000 | Application of polyurethane foam loaded with BTAC in an on-line preconcentration system: cadmium determination by FAAS | Lemos, Valfredo Azevedo; Santelli, Ricardo Erthal; Carvalho, Marcelo Souza de; Ferreira, Sergio Luis Costa |
| 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 |
| 2000 | Application of polyurethane foam loaded with BTAC in an on-line preconcentration system: cadmium determination by FAAS | Lemos, Valfredo Azevedo; Santelli, Ricardo Erthal; Carvalho, Marcelo Souza de; Ferreira, Sergio Luis Costa |
| 2000 | Determination of cadmium by FAAS after on-line enrichment using a mini column packed with Amberlite XAD-2 loaded with TAM | Melo, Maria H. A.; Ferreira, Sergio Luis Costa; Santelli, Ricardo Erthal |
| 2001 | Flow injection determination of cobalt after its sorption onto polyurethane foam loaded with 2-(2-thiazolylazo)-p-cresol (TAC) | Cassella, Ricardo Jorgensen; Salim, Veronica A.; Jesuı́no, Luciene S.; Santelli, Ricardo Erthal; Ferreira, Sergio Luis Costa; Carvalho, Marcelo Souza de |
| 2006 | Multivariate technique for optimization of digestion procedure by focussed microwave system for determination of Mn, Zn and Fe in food samples using FAAS | Bezerra, Marcos de Almeida; Ferreira, Sergio Luis Costa; Santelli, Ricardo Erthal; SantAna, Otoniel Domingos de; Cassella, Ricardo Jorgensen |
| 2000 | An on-line continuous flow system for copper enrichment and determination by flame atomic absorption spectroscopy | Ferreira, Sergio Luis Costa; Lemos, Valfredo Azevedo; Moreira, Barbara C.; Costa, Antonio Celso Spinola; Santelli, Ricardo Erthal |
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