| Data do documento | Título | Autor(es) | Tipo |
| 1-Fev-2018 | Correlações geoquímicas entre amostras de petróleo da Bacia Potiguar e definição de suas possíveis rochas geradoras | Alves, Jeferson Cavalcante; Araujo, Rennan Geovanny Oliveira; Souza, Eliane Soares de; Soares, Sarah Adriana Rocha; Cerqueira, José Roberto; Garcia, Karina Santos; Queiroz, Antonio Fernando de Souza; Vale, Maria Goreti Rodrigues; Borges, Aline Rocha | Artigo de Periódico |
| 2008 | Comparison of direct solid sampling and slurry sampling for the determination of cadmium in wheat flour by electrothermal atomic absorption spectrometry | Araujo, Rennan Geovanny Oliveira; Oleszczuk, Nédio; Rampazzo, Roger T.; Costa, Pedro A.; Silva, Márcia M.; Vale, Maria Goreti R.; Welz, Bernhard; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 2013 | Determination of silver in airborne particulate matter collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sampling | Araujo, Rennan Geovanny Oliveira; Vignola, Fabíola; Castilho, Ivan N. B.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, Helmut | Artigo de Periódico |
| 2008 | Mineral composition of wheat flour consumed in Brazilian cities | Araujo, Rennan Geovanny Oliveira; Macedo, Samuel Marques; Korn, Maria das Graças Andrade; Pimentel, Maria Fernanda; Bruns, Roy Edward; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 2013 | Determination of silver in airborne particulate matter collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sampling | Araujo, Rennan Geovanny Oliveira; Vignola, Fabíola; Castilho, Ivan N. B.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, Helmut | Artigo de Periódico |
| 10-Mai-2016 | Otimização de métodos analíticos e caracterização da farinha de trigo refinada: uma contribuição à Tabela Brasileira de Composição de Alimentos | Araujo, Rennan Geovanny Oliveira | Tese |
| Mai-2011 | Determination of mercury in airborne particulate matter collected on glass fiber filters using high-resolution continuum source graphite furnace atomic absorption spectrometry and direct solid sampling | Araujo, Rennan Geovanny Oliveira; Vignola, Fabíola; Castilho, Ivan N. B.; Borges, Daniel L. G.; Welz, Bernhard; Vale, Maria Goreti R.; Smichowski, Patricia; Ferreira, Sergio Luis Costa; Becker-Ross, Helmut | Artigo de Periódico |
| 2005 | Method development for the determination of manganese in wheat flour by slurry sampling flame atomic absorption spectrometry | Araujo, Rennan Geovanny Oliveira; Dias, Fábio de Souza; Macedo, Samuel Marques; Santos, Walter Nei Lopes dos; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 2005 | Method development for the determination of manganese in wheat flour by slurry sampling flame atomic absorption spectrometry | Araujo, Rennan Geovanny Oliveira; Dias, Fábio de Souza; Macedo, Samuel Marques; Santos, Walter Nei Lopes dos; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 2010 | Determination of heavy metals in activated charcoals and carbon black for Lyocell fiber production using direct solid sampling high-resolution continuum source graphite furnace atomic absorption and inductively coupled plasma optical emission spectrometry | Lepri, Fábio G.; Borges, Daniel L. G.; Araujo, Rennan Geovanny Oliveira; Welz, Bernhard; Wendler, Frank; Krieg, Marcus; Becker-Ross, Helmut | Artigo de Periódico |
| 2010 | Principal component analysis and hierarchical cluster analysis for homogeneity evaluation during the preparation of a wheat flour laboratory reference material for inorganic analysis | Lima, Daniel C.; Santos, Ana Maria Pinto dos; Araujo, Rennan Geovanny Oliveira; Scarminio, Ieda Spacino; Bruns, Roy Edward; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 2010 | Mineral composition of Lippia alba (Mill.) N.E. Brown leaves | Reis, Pedro Sanches dos; Estevam, Idalia Helena Santos; Santos, Wagna P. C. dos; Korn, Maria das Graças Andrade; David, Jorge Mauricio; David, Juceni Pereira de Lima; Araujo, Rennan Geovanny Oliveira; Pimentel, Maria Fernanda; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 2011 | Optimization of the operating conditions using factorial designs for determination of uranium by inductively coupled plasma optical emission spectrometry | Santos, Juracir S.; Teixeira, Leonardo Sena Gomes; Araujo, Rennan Geovanny Oliveira; Fernandes, Andréa Pires; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa | Artigo de Periódico |
| 2009 | Simultaneous Determination of Cd and Fe in Beans and Soil of Different Regions of Brazil Using High-Resolution Continuum Source Graphite Furnace Atomic Absorption Spectrometry and Direct Solid Sampling | Santos, Lisia Maria Gobbo dos; Welz, Bernhard; Araujo, Rennan Geovanny Oliveira; Jacob, Silvana do C.; Vale, Maria Goreti R.; Martens, Andreas; Martens, Irland B. Gonzaga; Ross, Helmut Becker | Artigo de Periódico |
| 2006 | An on-line pre-concentration system for determination of cadmium in drinking water using FAAS | Santos, Walter Nei Lopes dos; Costa, Jorge L. O.; Araujo, Rennan Geovanny Oliveira; Jesus, Djane S. de; Costa, Antonio Celso Spinola | Artigo de Periódico |
| 2005 | Determination of copper in powdered chocolate samples by slurry-sampling flame atomic-absorption spectrometry | Santos, Walter Nei Lopes dos; Silva, Erik Galvão Paranhos da; Fernandes, Marcelo Santiago; Araujo, Rennan Geovanny Oliveira; Costa, Antonio Celso Spinola | Artigo de Periódico |
| 2010 | Unusual calibration curves observed for iron using high-resolution continuum source graphite furnace atomic absorption spectrometry | Welz, Bernhard; Santos, Lisia Maria Gobbo dos; Araujo, Rennan Geovanny Oliveira; Jacob, Silvana do C.; Vale, Maria Goreti R.; Okruss, Michael; Ross, Helmut Becker | Artigo de Periódico |
