Amauri P. A. Rosa

Recycled Rare Earth Ions From E‐Waste In Borogermanate Glasses For Magneto‐Optical Applications

Ana Elisa Berno, Fábio José Caixeta, João Pedro Costa Ruzene, Aline Martins Feltran et autres

Abstract Magneto‐optical borogermanate glasses were developed by incorporating electro‐electronic waste recovered from fluorescent lamps. Glasses with a composition of (41GeO₂–25B₂O₃–4Al₂O₃–10Na₂O–20BaO)‐x%wst, (x=0, 10, 20, 30, and 50 wt% of waste) were prepared. The final chemical composition was determined, and the glasses were characterized …

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Second-order calibration high-resolution continuum source graphite furnace molecular absorption spectrometry-based determination of bromine and fluorine

Amauri P. A. Rosa, Larissa Oliveira Onça, Adriano Araújo Gomes, Tatiane de Andrade Maranhão

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Determination of sulfur in petroleum coke by ion chromatography after pyrohydrolysis sample preparation and Box–Behnken design optimization

Renan Guilherme Marim, Amauri P. A. Rosa, Tatiane de Andrade Maranhão, Eduardo Sidinei Chaves

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Determination of bromine and fluorine via sequential vaporization of TlBr and CaF molecules from the same aliquot by high-resolution continuum source graphite furnace molecular absorption spectrometry

Amauri P. A. Rosa, Tatiane de Andrade Maranhão

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COMPOSIÇÃO QUÍMICA E ATIVIDADE ANTILEISHMANIA DE Tocoyena hispidula

Edilene Márcia de Sousa, Amauri P. A. Rosa, Rodolfo Ritchelle Lima dos Santos, Ingredy Lopes dos Santos et autres

CHEMICAL COMPOSITION AND ANTI-LEISHMANIA ACTIVITY FROM Tocoyena hispidula.Phytochemical investigation of the CHCl 3 fraction from EtOH extract of Tocoyena hispidula (Rubiaceae) stem resulted in the isolation and identification of D-(+)-mannitol, lupenone, 3-O-acetyloleanolic acid, lapachol, dimethyl chelidonate, morindolide and four mixtures (M1-M4): M1 …

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