Joaquim Araujo Nobrega
Joaquim Araujo Nobrega
Professor do Departamento de Química, Universidade Federal de São Carlos
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Equilibrium studies for the sorption of chromium and nickel from aqueous solutions using raw rice bran
EA Oliveira, SF Montanher, AD Andrade, JA Nobrega, MC Rollemberg
Process biochemistry 40 (11), 3485-3490, 2005
Effect of acid concentration on closed-vessel microwave-assisted digestion of plant materials
GCL Araújo, MH Gonzalez, AG Ferreira, ARA Nogueira, JA Nóbrega
Spectrochimica Acta Part B: Atomic Spectroscopy 57 (12), 2121-2132, 2002
Sample preparation in alkaline media
JA Nóbrega, MC Santos, RA de Sousa, S Cadore, RM Barnes, M Tatro
Spectrochimica Acta Part B: Atomic Spectroscopy 61 (5), 465-495, 2006
Determination of residual carbon by inductively-coupled plasma optical emission spectrometry with axial and radial view configurations
ST Gouveia, FV Silva, LM Costa, ARA Nogueira, JA Nóbrega
Analytica Chimica Acta 445 (2), 269-275, 2001
Flow analysis strategies to greener analytical chemistry. An overview
FRP Rocha, JA Nóbrega, O Fatibello Filho
Green Chemistry 3 (5), 216-220, 2001
Comparison of heating extraction procedures for Al, Ca, Mg, and Mn in tea samples
LM Costa, ST Gouveia, JA Nóbrega
Analytical sciences 18 (3), 313-318, 2002
Microwave-assisted digestion procedures for biological samples with diluted nitric acid: Identification of reaction products
MH Gonzalez, GB Souza, RV Oliveira, LA Forato, JA Nóbrega, ...
Talanta 79 (2), 396-401, 2009
Focused-microwave-assisted strategies for sample preparation
JA Nóbrega, LC Trevizan, GCL Araújo, ARA Nogueira
Spectrochimica Acta Part B: Atomic Spectroscopy 57 (12), 1855-1876, 2002
Microwave-assisted digestion of organic samples: how simple can it become?
JA Nóbrega, C Pirola, LL Fialho, G Rota, C de Campos Jordão, F Pollo
Talanta 98, 272-276, 2012
Acid extraction and cloud point preconcentration as sample preparation strategies for cobalt determination in biological materials by thermospray flame furnace atomic …
GL Donati, CC Nascentes, ARA Nogueira, MAZ Arruda, JA Nóbrega
Microchemical Journal 82 (2), 189-195, 2006
Direct determination of Cu, Mn, Pb, and Zn in beer by thermospray flame furnace atomic absorption spectrometry
CC Nascentes, MY Kamogawa, KG Fernandes, MAZ Arruda, ...
Spectrochimica Acta Part B: Atomic Spectroscopy 60 (5), 749-753, 2005
A critical evaluation of digestion procedures for coffee samples using diluted nitric acid in closed vessels for inductively coupled plasma optical emission spectrometry
JT Castro, EC Santos, WPC Santos, LM Costa, M Korn, JA Nóbrega, ...
Talanta 78 (4-5), 1378-1382, 2009
Evaluation of inductively coupled plasma optical emission spectrometers with axially and radially viewed configurations
FV Silva, LC Trevizan, CS Silva, ARA Nogueira, JA Nóbrega
Spectrochimica Acta Part B: Atomic Spectroscopy 57 (12), 1905-1913, 2002
Direct determination of major and trace elements in milk by inductively coupled plasma atomic emission and mass spectrometry
JA Nóbrega, Y Gélinas, A Krushevska, RM Barnes
Journal of Analytical Atomic Spectrometry 12 (10), 1243-1246, 1997
Microwave-assisted diluted acid digestion for trace elements analysis of edible soybean products
JTP Barbosa, CMM Santos, VN Peralva, EMM Flores, M Korn, ...
Food Chemistry 175, 212-217, 2015
Understanding the process of microwave-assisted digestion combining diluted nitric acid and oxygen as auxiliary reagent
CA Bizzi, EMM Flores, JS Barin, EE Garcia, JA Nóbrega
Microchemical Journal 99 (2), 193-196, 2011
Microwave-assisted digestion methods: towards greener approaches for plasma-based analytical techniques
CA Bizzi, MF Pedrotti, JS Silva, JS Barin, JA Nóbrega, EMM Flores
Journal of Analytical Atomic Spectrometry 32 (8), 1448-1466, 2017
Greening sample preparation in inorganic analysis
DL Rocha, AD Batista, FRP Rocha, GL Donati, JA Nobrega
TrAC trends in analytical chemistry 45, 79-92, 2013
Traditional calibration methods in atomic spectrometry and new calibration strategies for inductively coupled plasma mass spectrometry
JA Carter, AI Barros, JA Nóbrega, GL Donati
Frontiers in chemistry 6, 504, 2018
Direct determination of Cu and Zn in fruit juices and bovine milk by thermospray flame furnace atomic absorption spectrometry
CC Nascentes, MAZ Arruda, ARA Nogueira, JA Nóbrega
Talanta 64 (4), 912-917, 2004
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