Joaquim Araujo Nobrega

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Ana Rita de Araujo NogueiraEmbrapa Pecuaria SudesteVerified email at embrapa.br
George L. DonatiResearch Professor of Chemistry, Wake Forest UniversityVerified email at wfu.edu
Francisco José KrugUniversidade de São Paulo/CENAVerified email at cena.usp.br
Pedro Vitoriano OliveiraProfessor do Departamento de Química, Universidade de São PauloVerified email at iq.usp.br
Fábio Rodrigo Piovezani RochaProfessor de Química Analítica, Universidade de São PauloVerified email at cena.usp.br
Jose Anchieta Gomes NetoUniversidade Estadual Paulista - UnespVerified email at unesp.br
Mirian Cristina SantosProfessor assistente doutor, Universidade Estadual Paulista "Júlio de Mesquita Filho"Verified email at iq.unesp.br
Edenir Pereira FilhoDepartamento de Química, Universidade Federal de São CarlosVerified email at ufscar.br
Marcos KamogawaProfessor of Chemistry, University of São PauloVerified email at usp.br
Edivaldo Egea GarciaProfessor de Química, Universidade Estadual de Maringá - UEMVerified email at uem.br
Orlando Fatibello-FilhoFull Professor, Department of Chemistry, Federal University of São CarlosVerified email at ufscar.br
Geórgia Christina Labuto AraújoUniversidade Federal de São PauloVerified email at unifesp.br
Marco Aurélio Zezzi ArrudaProfessor Titular, Departamento de Química Analítica, Instituto de Química, Universidade de Campinas - UnicampVerified email at iqm.unicamp.br
Gisele Simone LopesProfessora Química da Universidade Federal do CearáVerified email at ufc.br
Sidnei Gonçalves da SilvaUniversidade Federal de UberlândiaVerified email at ufu.br
Eder LimaFull Professor of Chemistry, Federal University of Rio Grande do Sul (UFRGS), BrazilVerified email at ufrgs.br
Wladiana MatosProfessora de Química, Universidade Federla do CearáVerified email at ufc.br
Regina V OliveiraFederal University of São CarlosVerified email at ufscar.br
Gian FreschiProfessor da Química, Universidade Federal AlfenasVerified email at unifal-mg.edu.br
Antonio A. MozetoDepartamento de Química, Universidade Federal de São CarlosVerified email at ufscar.br

Joaquim Araujo Nobrega

Professor do Departamento de Química, Universidade Federal de São Carlos

Verified email at ufscar.br

Química Analítica


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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	328	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	240	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	195	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	177	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	153	2002
Flow analysis strategies to greener analytical chemistry. An overview FRP Rocha, JA Nóbrega, O Fatibello Filho Green Chemistry 3 (5), 216-220, 2001	152	2001
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	139	2002
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	137	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	136	2005
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	129	2009
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	125	2012
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	121	1997
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	119	2002
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	118	2009
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	111	2015
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	110	2004
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	107	2011
Direct determination of iron and selenium in bovine milk by graphite furnace atomic absorption spectrometry PC Aleixo, JA Nobrega Food chemistry 83 (3), 457-462, 2003	104	2003
Pattern recognition applied to mineral characterization of Brazilian coffees and sugar-cane spirits AP Fernandes, MC Santos, SG Lemos, MMC Ferreira, ARA Nogueira, ... Spectrochimica Acta Part B: Atomic Spectroscopy 60 (5), 717-724, 2005	103	2005
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	98	2017

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