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Data do documentoTítuloAutor(es)Tipo
2011Multi-element determination of Cu, Fe, Ni and Zn content in vegetable oils samples by high-resolution continuum source atomic absorption spectrometry and microemulsion sample preparationFernandes, Andréa Pires; Nunes, Luana Sena; Barbosa, José Tiago Pereira; Lemos, Valfredo Azevedo; Santos, Walter Nei Lopes dos; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena GomesArtigo de Periódico
2004Multivariate Optimization in Preconcentration Procedure for Manganese Determination in Seawater Samples by FAASFerreira, Adriana C.; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis CostaArtigo de Periódico
1997Determination of Iron in Alkaline Salts by ICP-AES Using 1-(2-Thiazolylazo)-p-Cresol (TAC) for Preconcentration and SeparationFerreira, Sergio Luis Costa; Queiroz, Adriana Santana; Assis, Júlio César Rosa; Korn, Maria das Graças Andrade; Costa, Antonio Celso SpinolaArtigo de Periódico
2001Alternativas analíticas para determinação de ferro e titânio em cimento PortlandFranco Junior, Jorge de Oliveira; Korn, Maria das Graças Andrade; Costa, Antonio Celso Spinola; Santos Junior, Aníbal de Freitas; Teixeira, Leonardo Sena GomesArtigo de Periódico
2006Preparation of an estuarine sediment quality control material for the determination of trace metalsHatje, Vanessa; Santos, Denilson S. S. dos; Korn, Maria das Graças AndradeArtigo de Periódico
2009Speeding up HCl extractions by employing ultrasound energy trace elements bioavailability in sedimentsHatje, Vanessa; Costa, Letícia M.; Korn, Maria das Graças Andrade; Cotrim, GabrielArtigo de Periódico
2012Application of Multivariate Analysis in Mid-Infrared Spectroscopy as a Tool for the Evaluation of Waste Frying Oil BlendsHocevar, Luciano Sérgio; Soares, Vitória Regina Bispo; Oliveira, Fábio Santos de; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena GomesArtigo de Periódico
2000A separation method to overcome the interference of aluminium on zinc determination by inductively coupled plasma atomic emission spectroscopyJesus, Djane S. de; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Carvalho, Marcelo Souza deArtigo de Periódico
2002Comparison of decomposition procedures for analysis of titanium dioxide using inductively coupled plasma optical emission spectrometryKorn, Maria das Graças Andrade; Ferreira, Adriana C.; Costa, Antonio Celso Spinola; Nóbrega, Joaquim de Araújo; Silva, Claudinéia R.Artigo de Periódico
2012Assessment of physical-chemical characteristics of water and sediments from a Brazilian Tropical Estuary: status and environmental implicationsKorn, Maria das Graças Andrade; Onofre, Cássia R. E.; Pereira, Madson de G.; Andrade, Marta Valéria Almeida Santana de; Ornelas, Vanessa C.; Almeida, Raimunda A. N. de; Fontes, Maurício P. F.; Ribeiro, Joselito N.Artigo de Periódico
2005Solid sampling analysis by flame atomic absorption spectrometry for lead determination in seawater samples after pre-concentration using cocrystallized alizarin red – naphthaleneKorn, Maria das Graças Andrade; Bispo, Márcia Sousa; Korn, Mauro; Costa, Adilson Ben da; Mattos, Julio Cezar Paz de; Paniz, José Neri Gottfried; Flores, Érico Marlon de MoraesArtigo de Periódico
15-Fev-2005Optimisation of focused-microwave assisted digestion procedure for Kjeldahl nitrogen determination in bean samples by factorial design and Doehlert designKorn, Maria das Graças Andrade; Santos, Wagna P. C. dos; Korn, Mauro; Ferreira, Sergio Luis CostaArtigo de Periódico
2013Evaluation of Sample Preparation Procedures for Trace Element Determination in Brazilian Propolis by Inductively Coupled Plasma Optical Emission Spectrometry and Their Discrimination According to Geographic RegionKorn, Maria das Graças Andrade; Guida, Mauro Agildo Barbosa; Barbosa, José Tiago Pereira; Torres, Ednildo Andrade; Fernandes, Andréa Pires; Santos, Josué Carinhanha Caldas; Dantas, Kelly das Graças Fernandes; Nóbrega, Joaquim de AraújoArtigo de Periódico
2010Determination of cadmium and lead in cetacean Dolphinidae tissue from the coast of Bahia state in Brazil by GFAASKorn, Maria das Graças Andrade; Santos, Gabriel Luiz dos; Rosa, Suzana M.; Teixeira, Leonardo Sena Gomes; Oliveira, Pedro V. deArtigo de Periódico
2012Focused microwave-induced combustion for digestion of botanical samples and metals determination by ICP OES and ICP-MSKorn, Maria das Graças Andrade; Barin, Juliano S.; Pereira, J .S. F.; Mello, Paola A.; Knorr, C. L.; Moraes, D. P.; Mesko, Márcia F.; Flores, E. M. M.Artigo de Periódico
2007Review of procedures involving separation and preconcentration for the determination of cadmium using spectrometric techniquesKorn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Andrade, Jailson Bittencourt de; Lemos, Valfredo Azevedo; Santos, Walter Nei Lopes dos; Souza, Anderson Santos; Ferreira, Hadla Sousa; Rodrigues, Frederico de Medeiros; Pereira, Madson de Godoi; Silva, Erik Galvão Paranhos daArtigo de Periódico
2004Preliminary evaluation of the cadmium concentration in seawater of the Salvador City, BrazilKorn, Maria das Graças Andrade; Ferreira, Adriana Costa; Costa, Antonio Celso SpinolaArtigo de Periódico
2006Separation and preconcentration procedures for the determination of lead using spectrometric techniques: A reviewKorn, 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 SantosArtigo de Periódico
Dez-2010Evaluation of digestion procedures for simultaneous determination of Ca, P, Mg, K and Na in biodiesel by inductively coupled plasma optical emission spectrometryKorn, Maria das Graças Andrade; Santos, Daniele Cristina M. B.; Guida, Mauro Agildo B.; Barbosa, Isa dos Santos; Passos, Marieta L. C.; Saraiva, Maria Lúcia M. F. S.; Lima, José Luis Fontes da CostaArtigo de Periódico
2004Copper, zinc and manganese determination in saline samples employing faas after separation and preconcentration on Amberlite XAD-7 and Dowex 1x-8 loaded with Alizarin Red SKorn, Maria das Graças Andrade; Santos Junior, Aníbal de Freitas; Jaeger, Helena Valli; Silva, Nívia Maria S.; Costa, Antonio Celso SpinolaArtigo de Periódico