Boaventura F. Reis

Papers authored by Boaventura F. Reis

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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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Ángel Morales-Rubio, Miguel de la Guardia, Boaventura Freire dos Reis

Multi-commutation in Spectrometry

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Ridvan N. Fernandes, Fernandes,Ridvan N., Boaventura F. Reis

, Reis,Boaventura F., Morales-Rubio,Angel, Miguel De, Miguel de la Guardia, La Guardia, De La Guardia,Miguel

Multi-pumping mechanised determination of selenium in natural waters by light emitting diode (LED) spectrometry

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2008 Sergio L. C. Ferreira

, Pedro Afonso de Paula Pereira, Francisco Radler de Aquino Neto, Pedro Afonso de Paula Pereira, Joaquim A. N. Nobrega, Orlando Fatibello-Filho, Mario Almir Feres, Boaventura F. Reis

, Roy Edward Bruns, Francisco Radler de Aquino Neto

A Glimpse of Recent Developments in Brazilian Analytical Chemistry

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Wanessa Roberto Melchert, Melchert,Wanessa Roberto, Fábio R. P. Rocha, Rocha,Fábio R. P., Raimundo Jr.,Ivo M., Ivo M. Raimundo Jr, Reis,Boaventura F., Boaventura F. Reis

Construção de uma cela de fluxo de longo caminho óptico para medidas espectrofotométricas

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2007 Eva Ródenas-Torralba, Miguel de la Guardia, E. Rodenastorralba, Angel Morales-Rubio, A. Moralesrubio, André F. Lavorante, B. Dosreis, Boaventura Freire Dos Reis

, M. Delaguardia

Micropumping multicommutation turbidimetric analysis of waters

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André F. Lavorante, Angel Morales-Rubio, Miguel de la Guardia, Boaventura F. Reis

A multicommuted stop-flow system employing LEDs-based photometer for the sequential determination of anionic and cationic surfactants in water

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Sivanildo da Silva Borges, Boaventura F. Reis

An automatic falling drop system based on multicommutation process for photometric chlorine determination in bleach

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Cherrine K. Pires, Miguel de la Guardia, Boaventura F. Reis

, Angel Morales-Rubio, A. Moralesrubio, M. Delaguardia

Speciation of chromium in natural waters by micropumping multicommutated light emitting diode photometry

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André F. Lavorante, Salvador Garrigues

, Boaventura F. Reis

, Angel Morales-Rubio, Miguel de la Guardia

Monitoring of the smoking process by multicommutation Fourier Transform Infrared spectroscopy

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Sivanildo S. Borges, Gláucia P. Vieira, Boaventura F. Reis

A Full Automatic Device for Sampling Small Solution Volumes in Photometric Titration Procedure Based on Multicommuted Flow System

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Pires,Cherrine K., Morales-Rubio,Angel, Cherrine K. Pires, Miguel de la Guardia, De La Guardia,Miguel, Lima,José L. F. C., José L. F. C. Lima, Elias A. G. Zagatto, Zagatto,Elias A. G., Boaventura F. Reis

, Reis,Boaventura F.

A chemiluminescence flow-based procedure for determination of carbaryl in natural waters exploiting multicommutation and enzymatic reaction

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Eduardo P. Borges, Borges,Eduardo P., Reis,Boaventura F., Boaventura F. Reis

Automatic flow analysis procedure for the determination of bromide in L-alanine by chemiluminescence detection

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2006 André F. Lavorante, Mario Almir Feres, Boaventura F. Reis

Multi-commutation in Flow Analysis: A Versatile Tool for the Development of the Automatic Analytical Procedure Focused on the Reduction of Reagent Consumption

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Ana Paula Packer, Maria Emília Mattiazzo, Boaventura F. dos Reis, Ana Cláudia S. Bellato, B. F. Dos Reis

On-line Preconcentration With Mono-segmented Elution for Cd, Cu, Ni, and Zn Determination in Soil Samples by Inductively Coupled Plasma Optical Emission Spectrometry

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André F. Lavorante, Cherrine K. Pires, Boaventura F. Reis

Multicommuted flow system employing pinch solenoid valves and micro-pumps

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André F. Lavorante, Cherrine K. Pires, Ángel Morales-Rubio, Miguel de la Guardia, Boaventura F. Reis

A spectrophotometric flow procedure for the determination of cationic surfactants in natural waters using a solenoid micro-pump for fluid propulsion

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Sivanildo S. Borges, Rejane M. Frizzarin, Boaventura F. Reis

An automatic flow injection analysis procedure for photometric determination of ethanol in red wine without using a chromogenic reagent

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Ausberta Jesus Cabezas Garcia, Boaventura F. Reis

Instrumentation and Automated Photometric Titration Procedure for Total Acidity Determination in Red Wine Employing a Multicommuted Flow System

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Jonas A. Vieira, Ivo M. Raimundo, Jarbas J. R. Rohwedder, Boaventura F. Reis

A versatile set up for implementing different flow analysis approaches

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Papers authored by Boaventura F. Reis