|
|
RI UFBA >
Search
Item hits:
| Issue Date | Title | Author(s) | | 15-Feb-2005 | Optimisation of focused-microwave assisted digestion procedure for Kjeldahl nitrogen determination in bean samples by factorial design and Doehlert design | Korn, Maria das Graças Andrade; Santos, Wagna P. C. dos; Korn, Mauro; Ferreira, Sergio Luis Costa |
| 2013 | Direct determination of gallium in bauxite employing ICP OES using the reference element technique for interference elimination | Santana, Fernanda Alves de; Barbosa, José Tiago Pereira; Matos, Geraldo D.; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa |
| 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 |
| 2009 | Application of multivariate optimization in the development of an ultrasound-assisted extraction procedure for multielemental determination in bean seeds samples using ICP OES | Santos, Wagna Piler Carvalho; Castro, Jacira Teixeira; Bezerra, Marcos de Almeida; Fernandes, Andréa Pires; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade |
| 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 |
| 2007 | On-line system for preconcentration and determination of metals in vegetables by Inductively Coupled Plasma Optical Emission Spectrometry | Bezerra, Marcos de Almeida; Santos, Walter Nei Lopes dos; Lemos, Valfredo Azevedo; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa |
| 2007 | Review of procedures involving separation and preconcentration for the determination of cadmium using spectrometric techniques | Korn, 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 da |
| 2000 | A separation method to overcome the interference of aluminium on zinc determination by inductively coupled plasma atomic emission spectroscopy | Jesus, Djane S. de; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa; Carvalho, Marcelo Souza de |
| 2007 | Use of cetyltrimethylammonium bromide as surfactant for the determination of copper and chromium in gasoline emulsions by electrothermal atomic absorption spectrometry | Santos, Denilson S. S. dos; Teixeira, Alete Paixão; Barbosa, José Tiago Pereira; Ferreira, Sergio Luis Costa; Korn, Maria das Graças Andrade; Teixeira, Leonardo Sena Gomes |
| 2004 | Multivariate Optimization in Preconcentration Procedure for Manganese Determination in Seawater Samples by FAAS | Ferreira, Adriana C.; Korn, Maria das Graças Andrade; Ferreira, Sergio Luis Costa |
|
