Peat as a natural solid-phase for copper preconcentration and determination in a multicommuted flow system coupled to flame atomic absorption spectrometry APS Gonzáles, MA Firmino, CS Nomura, FRP Rocha, PV Oliveira, ... Analytica Chimica Acta 636, 198–204, 2009 | 320 | 2009 |
Multicommutation in flow analysis: concepts, applications and trends FRP Rocha, BF Reis, EAG Zagatto, JLFC Lima, RAS Lapa, JLM Santos Analytica Chimica Acta 468, 119–131, 2002 | 297 | 2002 |
Green chemistry and the evolution of flow analysis. A review W Melchert, B Reis, FRP Rocha Analytica Chimica Acta 714, 8– 19, 2012 | 254 | 2012 |
Recent advances on determination of milk adulterants CF Nascimento, PM Santos, ER Pereira-Filho, FRP Rocha Food chemistry 221, 1232-1244, 2017 | 249 | 2017 |
Estratégias para aumento de sensibilidade em espectrofotometria UV-VIS FRP Rocha, LSG Teixeira Quim. Nova 27, 807-812, 2004 | 184 | 2004 |
Flow analysis strategies to greener analytical chemistry. An overview FRP Rocha, JA Nóbrega, O Fatibello Filho Green Chemistry 3, 216–220, 2001 | 159 | 2001 |
Métodos de preparo de amostras para análise elementar FJ Krug, FRP Rocha EditSBQ, Sociedade Brasileira de Química, São Paulo, 572p, 2016 | 132 | 2016 |
An improved flow system for phenols determination exploiting multicommutation and long pathlength spectrophotometry KO Lupetti, FRP Rocha, O Fatibello-Filho Talanta 62, 463–467, 2004 | 123 | 2004 |
Greening sample preparation in inorganic analysis DL Rocha, AD Batista, FRP Rocha, GL Donati, JA Nóbrega Trends in Analytical Chemistry 45, 79-92, 2013 | 115 | 2013 |
A flow-based procedure with solenoid micro-pumps for the spectrophotometric determination of uric acid in urine DL Rocha, FRP Rocha Microchemical Journal 94, 53–59, 2010 | 95 | 2010 |
A flow system exploiting multicommutation for speciation of inorganic nitrogen in waters FRP Rocha, BF Reis Analytica Chimica Acta 409, 227–235, 2000 | 93 | 2000 |
A portable and low cost equipment for flow injection chemiluminescence measurements FRP Rocha, E Ródenas-Torralba, BF Reis, Á ´ Morales-Rubio, ... Talanta 67, 673–677, 2005 | 83 | 2005 |
A novel approach to detect milk adulteration based on the determination of protein content by smartphone-based digital image colorimetry AFS Silva, FRP Rocha Food Control 115, 107299, 2020 | 78 | 2020 |
Monoliths: Synthetic routes, functionalization and innovative analytical applications MR Gama, FRP Rocha, CBG Bottoli TrAC Trends in Analytical Chemistry 115, 39-51, 2019 | 71 | 2019 |
Exploitation of pulsed flows for on-line dispersive liquid–liquid microextraction: Spectrophotometric determination of formaldehyde in milk CF Nascimento, MAS Brasil, SPF Costa, PCAG Pinto, MLMFS Saraiva, ... Talanta 144, 1189-1194, 2015 | 70 | 2015 |
A spot test for iodine value determination in biodiesel based on digital images exploiting a smartphone S Soares, MJA Lima, FRP Rocha Microchemical Journal 133, 195-199, 2017 | 69 | 2017 |
A green analytical procedure for sensitive and selective determination of iron in water samples by flow-injection solid-phase spectrophotometry LSG Teixeira, FRP Rocha Talanta 71, 1507–1511, 2007 | 67 | 2007 |
An improved flow system for spectrophotometric determination of anions exploiting multicommutation and multidetection FRP Rocha, PB Martelli, BF Reis Analytica Chimica Acta 438, 11–19, 2001 | 65 | 2001 |
Flow-injection solid-phase spectrophotometry for the determination of zinc in pharmaceutical preparations LSG Teixeira, FRP Rocha, M Korn, BF Reis, SLC Ferreira, ACS Costa Analytica Chimica Acta 383, 309-315, 1999 | 64 | 1999 |
Evaluation of a Multicommuted Flow System for Photometric Environmental Measurements E Ródenas-Torralba, FRP Rocha, BF Reis, Á ´ Morales-Rubio, ... Journal of Automated Methods and Management in Chemistry 2006, 1-9, 2006 | 62 | 2006 |