Boaventura F. Reis

Papers authored by Boaventura F. Reis

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2019 Manoel J. A. Lima, Boaventura F. Reis

Photogeneration of silver nanoparticles induced by UV radiation and their use as a sensor for the determination of chloride in fuel ethanol using a flow-batch system

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Oziel R. Marinho, Manoel J. A. Lima, Fábio R. P. Rocha, Boaventura F. Reis

, Marcos Y. Kamogawa

A greener, fast, and cost-effective smartphone-based digital image procedure for quantification of ethanol in distilled beverages

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Milton K. Sasaki, Pedro A. F. Souza, Marcos Y. Kamogawa, Boaventura F. Reis

, Fábio R. P. Rocha

A new strategy for membraneless gas-liquid separation in flow analysis: Determination of dissolved inorganic carbon in natural waters

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Manoel J. A. Lima, Marcos Y. Kamogawa, Boaventura F. Reis

A new sensitive photometric procedure for the determination of sulfate in fuel ethanol without sample preparation exploiting a flow-batch strategy

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2018 Manoel Lima

, Boaventura Reis

Automatic Procedure to Determine Acidity in Fuel Ethanol by Photometric Titration Using Binary Search and Multicommuted Flow Analysis

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Ticiane da Silva Magalhães, Boaventura F. Reis

A novel multicommuted flow analysis strategy for the spectrophotometric determination of cadmium in water at μg L−1 levels without using a preconcentration step

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2017 Manoel J. A. Lima, Boaventura F. Reis

Fully automated photometric titration procedure employing a multicommuted flow analysis setup for acidity determination in fruit juice, vinegar, and wine

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Ticiane da Silva Magalhães, Boaventura F. Reis

A Sensitive Photometric Procedure for Cobalt Determination in Water Employing a Compact Multicommuted Flow Analysis System

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Manoel J. A. Lima, Boaventura F. Reis

A clean photometric method for the determination of losartan potassium in pharmaceuticals exploiting light scattering effect and employing a multicommuted flow analysis approach

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Felisberto G. Santos, Boaventura F. Reis

A Highly Sensitive Multicommuted Flow Analysis Procedure for Photometric Determination of Molybdenum in Plant Materials without a Solvent Extraction Step

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Marcos Brasil, Boaventura Reis

An Automated Multicommuted Flow Analysis Procedure for Photometric Determination of Reducing Sugars in Wine Employing a Directly Heated Flow‑Batch Device

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2016 Diogo S. Silva, Boaventura F. Reis

Evaluation of the schlieren effect employing a LED-based photometer with a long-pathlength flow cell for reagentless photometric determination of ethanol in distilled ethanolic beverages

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Suelle G. F. de Assis, Marcelo F. de Andrade, Maria Conceição B. S. M. Montenegro, Boaventura F. dos Reis

, Ana Paula S. Paim

Determination of Polyphenol Content by Formation of Unstable Compound Using a Mini-Pump Multicommutation System

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Manoel de Jesus de Aquino Lima, Quésia Guedes da Silva Castilho, Ridvan Nunes Fernandes, Auro Atsushi Tanaka

, Boaventura Freire dos Reis

Automatic Procedure for Spectrophotometric Determination of Hydroquinone Employing Multicommutation Flow in Analysis System

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Tuanne Reis Dias, Boaventura F. Reis

Development of a photometric procedure for tin determination in canned foods employing a multicommuted flow analysis approach

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2015 Marcos A. S. Brasil, Boaventura F. Reis

Development of a microcontrolled Flow-batch device with direct heating for analytical procedures that require a heating step for chemical reaction development

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Manoel J. A. Lima, Ridvan N. Fernandes, Auro A. Tanaka

, Boaventura F. Reis

Development of a new procedure for the determination of captopril in pharmaceutical formulations employing chemiluminescence and a multicommuted flow analysis approach

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Jeová C. Miranda, Marcos Y. Kamogawa, Boaventura F. Reis

Development of a portable setup and a multicommuted flow analysis procedure for the photometric determination of Fe(III) and Fe(II) in fresh water

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Andréia C. Pereira, Boaventura F. Reis

, Fábio R. P. Rocha

An air carrier flow system for the spectrophotometric determination of water in biodiesel exploiting bleaching of the cobalt chloride complex

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Manoel J. A. Lima, Gláucia P. Vieira, Ridvan N. Fernandes, Auro A. Tanaka

, Boaventura F. Reis

Development of a Procedure Based on Chemiluminescence and Multicommutation Approach for the Determination of Folic Acid in Pharmaceuticals

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Papers authored by Boaventura F. Reis