| Simultaneous preconcentration of copper, zinc, cadmium, and nickel in water samples by cloud point extraction using 4-(2-pyridylazo)-resorcinol and their determination by … EL Silva, P dos Santos Roldan, MF Giné Journal of Hazardous Materials 171 (1-3), 1133-1138, 2009 | 330 | 2009 |
| Simultaneous flow injection preconcentration of lead and cadmium using cloud point extraction and determination by atomic absorption spectrometry EL Silva, P dos Santos Roldan Journal of Hazardous Materials 161 (1), 142-147, 2009 | 211 | 2009 |
| Determination of copper, iron, nickel and zinc in gasoline by FAAS after sorption and preconcentration on silica modified with 2-aminotiazole groups PS Roldan, IL Alcântara, CCF Padilha, PM Padilha Fuel 84 (2-3), 305-309, 2005 | 120 | 2005 |
| Determination of Cu, Ni, and Zn in fuel ethanol by FAAS after enrichment in column packed with 2-aminothiazole-modified silica gel PS Roldan, IL Alcântara, GR Castro, JC Rocha, CCF Padilha, PM Padilha Analytical and bioanalytical chemistry 375, 574-577, 2003 | 114 | 2003 |
| Synthesis, characterization and determination of the metal ions adsorption capacity of cellulose modified with p-aminobenzoic groups GR Castro, IL Alcântara, PS Roldan, DF Bozano, PM Padilha, ... Materials Research 7, 329-334, 2004 | 108 | 2004 |
| GFAAS determination of mercury in muscle samples of fish from Amazon, Brazil PM Moraes, FA Santos, B Cavecci, CCF Padilha, JCS Vieira, PS Roldan, ... Food chemistry 141 (3), 2614-2617, 2013 | 79 | 2013 |
| Determination of Cu, Ni and Pb in aqueous medium by FAAS after pre-concentration on 2-aminothiazole modified silica gel IL Alcântara, PS Roldan, MAL Margionte, GR Castro, CCF Padilha, ... Journal of the Brazilian Chemical Society 15, 366-371, 2004 | 49 | 2004 |
| Determination of cadmium in river water samples by flame AAS after on-line preconcentration in mini-column packed with 2-aminothiazole-modified silica gel IL Alcântara, PS Roldan, GR Castro, FV Moraes, FA Silva, CCF Padilha, ... Analytical Sciences 20 (7), 1029-1032, 2004 | 42 | 2004 |
| Determination of cadmium in river water samples by flame AAS after on-line preconcentration in mini-column packed with 2-aminothiazole-modified silica gel IL Alcântara, PS Roldan, GR Castro, FV Moraes, FA Silva, CCF Padilha, ... Analytical Sciences 20 (7), 1029-1032, 2004 | 42 | 2004 |
| Application of Cellulose Modified with p‐Aminobenzoic Groups in Preconcentration System for Determination of Cu, Fe, Ni, and Zn in Fuel Ethanol Samples by Flame Atomic … GR de Castro, JD De Oliveira, IL Alcântara, PS Roldan, CCF Padilha, ... Separation Science and Technology 42 (6), 1325-1340, 2007 | 27 | 2007 |
| Determination of Copper, Iron, Nickel and Zinc in fuel kerosene by FAAS after adsorption and pre-concentration on 2-aminothiazole-modified silica gel PS Roldan, IL Alcântara, JC Rocha, CCF Padilha, PM Padilha Eclética Química 29, 33-40, 2004 | 27 | 2004 |
| Determination of Copper, Iron, Nickel and Zinc in fuel kerosene by FAAS after adsorption and pre-concentration on 2-aminothiazole-modified silica gel PS Roldan, IL Alcântara, JC Rocha, CCF Padilha, PM Padilha Eclética Química 29, 33-40, 2004 | 27 | 2004 |
| Determination of Copper, Iron, Nickel and Zinc in fuel kerosene by FAAS after adsorption and pre-concentration on 2-aminothiazole-modified silica gel PS Roldan, IL Alcântara, JC Rocha, CCF Padilha, PM Padilha Eclética Química 29, 33-40, 2004 | 27 | 2004 |
| Flow injection amperometric determination of persulfate in cosmetic products using a Prussian Blue film-modified electrode MF De Oliveira, AA Saczk, JAG Neto, PS Roldan, NR Stradiotto Sensors 3 (9), 371-380, 2003 | 27 | 2003 |
| GFAAS determination of zinc in fish feed and feces using slurry sampling MAD Saleh, R de Cássio Ferreira Neves, FA Silva, PM de Moraes, ... Food Analytical Methods 2, 162-168, 2009 | 19 | 2009 |
| Determination of Hg in water by CVAAS using 2-aminothiazole modified silica FA Silva, IL De Alcântara, PS Roldan, CCF Padilha, AB De Araújo, ... Ecletica Quimica 30, 47-55, 2005 | 17 | 2005 |
| Determination of Hg in water by CVAAS using 2-aminothiazole modified silica FA Silva, IL De Alcântara, PS Roldan, CCF Padilha, AB De Araújo, ... Ecletica Quimica 30, 47-55, 2005 | 17 | 2005 |
| Selenium fractionation from plasma, muscle and liver of Nile tilapia (Oreochromis niloticus) FA Silva, B Cavecci, WA Baldassini, PM Lima, PM Moraes, PS Roldan, ... Journal of Food Measurement and Characterization 7, 158-165, 2013 | 14 | 2013 |
| Selenium determination in tissue samples of Nile tilapia using ultrasound-assisted extraction FA Silva, CCF Padilha, GR de Castro, PS Roldan, AR de Araujo Nogueira, ... Central European Journal of Chemistry 9, 119-125, 2011 | 14 | 2011 |
| Determinação de Cd por FAAS em meio aquoso após pré-concentração em linha sobre SiAT FV De Moraes, IL De Alcântara, PS Roldan, GR De Castro, ... Eclética Química 28, 09-17, 2003 | 13 | 2003 |
Marcelo Firmino de OliveiraProfessor of Forensic Chemistry, Universidade de São PauloE-mail confirmado em usp.br
