Search Results - "Alfaya, Rení Ventura da Silva"

Chemically modified natural cotton fiber: a low-cost biosorbent for the removal of the Cu(II), Zn(II), Cd(II), and Pb(II) from natural water by Paulino, Álisson Gomes, da Cunha, Adriana Jesus, da Silva Alfaya, Rení Ventura, da Silva Alfaya, Antonio Alberto

“…In this work, the removal of Cu(II), Zn(II), Cd(II), and Pb(II) ions from aqueous solution by natural cotton fiber modified with citric acid (NCFCA) is…”
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Mexerica mandarin (Citrus nobilis) peel as a new biosorbent to remove Cu(II), Cd(II), and Pb(II) from industrial effluent by Inagaki, Camila Suemi, Caretta, Talita de Oliveira, Alfaya, Rení Ventura da Silva, Alfaya, Antonio Alberto da Silva

“…Adsorption experiments were carried out using waste Mexerica mandarin “Citrus nobilis” peel as a new biosorbent to adsorb Cu(II), Cd(II), and Pb(II) ions from…”
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Use of rice straw as biosorbent for removal of Cu(II), Zn(II), Cd(II) and Hg(II) ions in industrial effluents by Rocha, Crystian Gonçalves, Zaia, Dimas Augusto Morozin, Alfaya, Rení Ventura da Silva, Alfaya, Antonio Alberto da Silva

“…Adsorption experiments were carried out using waste rice straw of several kinds as a biosorbent to adsorb Cu(II), Zn(II), Cd(II) and Hg(II) ions from aqueous…”
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Cotton Fiber/ZrO2, A New Material for Adsorption of Cr(VI) Ions in Water by Muxel, Alfredo Alberto, Gimenez, Sonia Maria Nobre, de Souza Almeida, Flaveli Aparecida, da Silva Alfaya, Rení Ventura, da Silva Alfaya, Antonio Alberto

“…The natural cotton fiber was used to synthesize an anion exchange, containing ZrO2 film on its surface, NCFZC (natural cotton fiber/ZrO2 composite). This anion…”
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Meldola's Blue Immobilized on a SiO2/SnO2/Phosphate Xerogel, a New Sensor for Determination of Ascorbic Acid in Medicine and Commercial Fruit Juice by de Castilho, Rodrigo Ferrari, de Souza, Eloana Benassi Ribeiro, da Silva Alfaya, Reni Ventura, da Silva Alfaya, Antonio Alberto

“…A modified carbon paste electrode with SiO2/SnO2/Phosphate/Meldola's blue, SSPMelB, was used to study the electrocatalytic oxidation of ascorbic acid by cyclic…”
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Cotton Fiber/ZrO 2 , A New Material for Adsorption of Cr(VI) Ions in Water by Muxel, Alfredo Alberto, Gimenez, Sonia Maria Nobre, de Souza Almeida, Flaveli Aparecida, da Silva Alfaya, Rení Ventura, da Silva Alfaya, Antonio Alberto

“…The natural cotton fiber was used to synthesize an anion exchange, containing ZrO 2 film on its surface, NCFZC (natural cotton fiber/ZrO 2 composite). This…”
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Meldola's Blue Immobilized on a SiO 2 /SnO 2 /Phosphate Xerogel, a New Sensor for Determination of Ascorbic Acid in Medicine and Commercial Fruit Juice by de Castilho, Rodrigo Ferrari, de Souza, Eloana Benassi Ribeiro, da Silva Alfaya, Rení Ventura, da Silva Alfaya, Antonio Alberto

“…A modified carbon paste electrode with SiO 2 /SnO 2 /Phosphate/Meldola's blue, SSPMelB, was used to study the electrocatalytic oxidation of ascorbic acid by…”
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Preparação de LiMn2O4 e LiCr0,2Mn1,8O4 em pó por processo Pechini modificado by Gardes, Bernard Joseph Louis, Alfaya, Antonio Alberto da Silva, Alfaya, Reni Ventura da Silva, Urbano, Alexandre, Scarmínio, Jair

“…As fases LiMn2O4 e LiCr0,2Mn1,8O4 em pó foram preparadas por processo Pechini, modificado de maneira a diminuir o número de etapas e trabalhar com temperaturas…”
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Desenvolvimento de um novo sensor para ácido ascórbico by Canevari, Thiago Da Cruz, Castilho, Rodrigo Ferrari de, Alfaya, Rení Ventura da Silva, Alfaya, Antonio Alberto da Silva

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Development of a new ascorbic acid sensor by Antonio Alberto da Silva Alfaya, Rodrigo Ferrari de Castilho, Rení Ventura da Silva Alfaya, Thiago da Cruz Canevari

“…The SiO2/SnO2/Phosphate composite, SSF, was prepared by the sol-gel process. The redox dye methylene blue was immobilized on the SSF surface. This new material…”
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Desenvolvimento de um novo sensor para ácido ascórbico by Thiago da Cruz Canevari, Rodrigo Ferrari de Castilho, Rení Ventura da Silva Alfaya, Antonio Alberto da Silva Alfaya

“…O compósito SiO2/SnO2/Fosfato, SSF, foi preparado pelo processo sol-gel. O corante redox azul de metileno foi imobilizado na superfície do SSF. Esse novo…”
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Synthesis of LiMn2O4 and LiCr0.2Mn1.8O4 powders by modified Pechini process by Alexandre Urbano, Jair Scarmínio, Antonio Alberto da Silva Alfaya, Reni Ventura da Silva Alfaya, Bernard Joseph Louis Gardes

“…LiMn2O4 and LiCr0.2Mn1.8O4 powders were synthesized by Pechini process, modified in order to reduce the number of steps and to work at temperatures below or…”
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