Boaventura F. Reis

Papers authored by Boaventura F. Reis

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2015 Felisberto G. Santos, Andréia C. Pereira, Sandra M. Cruz, Cezar A. Bizzi, Érico M. M. Flores, Boaventura F. Reis

Development of a multicommuted flow analysis procedure for simultaneous determination of sulfate and chloride in petroleum coke employing a homemade syringe pump and a LED-based photometer

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Vitória R. B. Soares, Fábio R. P. Rocha, Boaventura F. Reis

, Leonardo S. G. Teixeira

A new device for flow-based liquid-liquid extractions

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2014 Tuanne R. Dias, Marcos A. S. Brasil, Mário A. Feres, Boaventura F. Reis

A flow cell with a new design to improve the utilization of the radiation emitted by LED and employed as a radiation source for photometric detection

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Carla C. Crispino, Boaventura F. Reis

Development of an automatic photometric titration procedure to determine olive oil acidity employing a miniaturized multicommuted flow-batch setup

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Tuanne R. Dias, Marcos A. S. Brasil, Jarbas J. R. Rohwedder, Boaventura F. Reis

Development of a high sensitivity photometric procedure for the determination of vanadium in mineral and fresh waters employing a downsized multicommuted flow analysis approach

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2013 Marcelo Farias de Andrade, Suelle Gisian Farias de Assis, Ana Paula Silveira Paim, Boaventura Freire dos Reis, Boaventura Freire dos Reis

Multicommuted Flow Analysis Procedure for Total Polyphenols Determination in Wines Employing Chemiluminescence Detection

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Santos,Felisberto G., Felisberto G. Santos, Reis,Boaventura F., Boaventura F. Reis

Development of a new version of an automatic commutator injector and a procedure for the photometric determination of ethanol in distilled spirits

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Carla C. Crispino, Boaventura F. Reis

Development of a Multicommuted Flow Analysis Procedure for Photometric Determination of TotalN-ureide in Soybean Tissues

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Gláucia P. Vieira, Carla C. Crispino, Sheila R. W. Perdigão, Boaventura F. Reis

An environmentally friendly photometric procedure for ammonium determination in rainwater employing a multicommutation approach

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2012 Tuanne R. Dias, Dias,Tuanne R., Reis,Boaventura F., Boaventura F. Reis

A LED based photometer for solid phase photometry: zinc determination in pharmaceutical preparation employing a multicommuted flow analysis approach

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Wanessa R. Melchert, Boaventura F. Reis

, Fábio R. P. Rocha

Green chemistry and the evolution of flow analysis. A review

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Gláucia P. Vieira, Sheila R. W. Perdigão, Marli F. Fiore

, Boaventura F. Reis

Development of a high sensitive automatic setup for screening of microcystins in surface waters by employing a LED-based photometric detector

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2011 Néstor Zárate, Ricardo Pérez-Olmos, Boaventura Freire dos Reis

Turbidimetric determination of sulfate in rainwater employing a LED based photometer and multicommuted flow analysis system with in-line preconcentration

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Freitas,Sueny K. B., Sueny K. B. Freitas, Valdinete Lins da Silva, Silva,Valdinete Lins Da, Alberto N. Araújo, Araújo,Alberto N., Montenegro,Maria Conceição B. S. M., Maria Conceição B. S. M. Montenegro, Reis,Boaventura F., Boaventura F. Reis

, Ana Paula S. Paim, Paim,Ana Paula S.

A multicommuted flow analysis method for the photometric determination of amoxicillin in pharmaceutical formulations using a diazo coupling reaction

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Sivanildo S. Borges, Boaventura F. Reis

An Environmental Friendly Procedure for Photometric Determination of Hypochlorite in Tap Water Employing a Miniaturized Multicommuted Flow Analysis Setup

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2010 Sivanildo S. Borges, Jailson de Souza Peixoto, Mário A. Feres, Boaventura F. Reis

Downscaling a multicommuted flow injection analysis system for the photometric determination of iodate in table salt

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Feres, A. F. Lavorante, B. F. Reis

Developmentof environmentally sustainable procedures for the determination of orthophosphate and total iron in fresh water, employing a homemade LED-based photometer and a multicommuted approach

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Silva,Milton B. Da, Milton B. da Silva, M. B. Da Silva, Crispino,Carla C., Carla C. Crispino, Boaventura F. Reis

, Reis,Boaventura F.

Automatic photometric titration procedure based on multicommutation and flow-batch approaches employing a photometer based on twin LEDs

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Lúcia H. M. L. M. Santos, A. N. Araújo, Boaventura Reis

, M. C. B. S. M. Montenegro

Development of a Multicommutated Flow System with Chemiluminometric Detection for Quantification of Gentamicin in Pharmaceuticals

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2009 Milton B. Silva, Sivanildo S. Borges∗, Sheila R. W. Perdigão, Boaventura F. Reis

Green Chemistry–Sensitive Analytical Procedure for Photometric Determination of Orthophosphate in River and Tap Water by Use of a Simple LED-Based Photometer

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Papers authored by Boaventura F. Reis