Search Results - "Moraes, Mercedes de"

Evaluation of the mixtures ammonium phosphate/magnesium nitrate and palladium nitrate/magnesium nitrate as modifiers for simultaneous determination of Cd, Cr, Ni and Pb in mineral water by GFAAS by Amorim Filho, Volnei R, Fernandes, Kelly G, Moraes, Mercedes de, Gomes Neto, José Anchieta

“…A method is described for the simultaneous determination of Cd, Cr, Ni and Pb in mineral water samples by graphite furnace atomic absorption spectrometry with…”
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Simultaneous determination of zinc, copper, lead, and cadmium in fuel ethanol by anodic stripping voltammetry using a glassy carbon-mercury-film electrode by De Oliveira, Marcelo Firmino, Saczk, Adelir Aparecida, Okumura, Leonardo Luiz, Fernandes, Andréa Pires, De Moraes, Mercedes, Stradiotto, Nelson Ramos

“…A new, versatile, and simple method for quantitative analysis of zinc, copper, lead, and cadmium in fuel ethanol by anodic stripping voltammetry is described…”
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Multi-element determination of calcium, potassium and magnesium in medicinal plant by high-resolution continuum source atomic absorption spectrometry by Silva, Tiago Varão, Rêgo, Jardes Figuerêdo, De Moraes, Mercedes, Cavalheiro, Alberto José, Gomes Neto, José Anchieta, Raposo Júnior, Jorge Luiz

“…A simple and rugged method to determine Ca, K and Mg in a single aliquot of medicinal plants by high-resolution continuum source flame atomic absorption…”
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An Electrode of the Second Kind for Aspirin Determination in Tablet Formulations by FERREIRA, Vinicius J. F., CAVALHEIRO, Ana C. V., FAGNANI, Enelton, MORAES, Mercedes de, PEZZA, Leonardo, PEZZA, Helena R., MELIOS, Cristo B.

“…This paper describes the construction of an electrode of the second kind, Pt|Hg|Hg2(Salic)2|Graphite, sensitive to salicylate. This electrode responds to the…”
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Construção e aplicação físico-química de um eletrodo de segunda espécie, sensível ao íon oxalato, em meio aquoso by CAVALHEIRO, Ana Cristina Villafranca, MORAES, Mercedes de, PEZZA, Leonardo

“…Este trabalho descreve a construção de um eletrodo de segunda espécie, Pt|Hg|Hg2Ox|Grafite, sensível ao íon oxalato (Ox). O eletrodo é construído facilmente,…”
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Direct Determination of Phosphite in Fertilizers by Amperometric Titration by Franzini, Vanessa P, Moraes, Mercedes de, Neto, José A. Gomes

“…Amperometric titration using two Pt microelectrodes for the determination of phosphite in fertilizers based on the oxidation of analyte by iodine is proposed…”
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Determinação da constate do produto de solubilidade do acetato mercuroso, com a variação da força iônica, em meio aquoso by De Moraes, Mercedes, Pezza, Leonardo, Melios, Cristo Bladimiros, Molina, Manuel, Pezza, Helena Redigolo, Peres, Adriana Martins, Villafranca, Ana Cristina, Carloni Filho, João

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A Contribution to the estimation of binary halide and pseudo-halide equilibrium constants using a linear extrapolation methodology by Silva, Astréa F. de S., Ortega, Manuel M., Melios, Cristo B., Pezza, Leonardo, Moraes, Mercedes de, Tenan, Mário Alberto, Oliveira, André F.

“…The molar single ion activity coefficient (yF) of fluoride ions was determined at 25 °C and ionic strengths between 0.100 and 3.00 mol L-1 NaClO4 using an…”
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Simultaneous determination of cadmium and lead in wine by electrothermal atomic absorption spectrometry by Freschi, Gian P.G, Dakuzaku, Carolina S, de Moraes, Mercedes, Nóbrega, Joaquim A, Gomes Neto, José A

“…A method has been developed for the direct simultaneous determination of Cd and Pb in white and red wine by electrothermal atomic absorption spectrometry…”
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Effect of modifiers on thermal behaviour of Se in acid digestates and slurries of vegetables by graphite furnace atomic absorption spectrometry by Rosa, Cássia Regina, de Moraes, Mercedes, Neto, José Anchieta Gomes, Nóbrega, Joaquim Araújo, Nogueira, Ana Rita Araújo

“…The influence of sample preparation strategy of vegetables on the electrothermal behaviour of Se without and with chemical modifiers such as Pd(NO 3) 2, Pd(NO…”
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Evaluation and application of bismuth as an internal standard for the determination of lead in wines by simultaneous electrothermal atomic absorption spectrometry by Fernandes, Kelly G, de Moraes, Mercedes, Neto, José A Gomes, Nóbrega, Joaquim A, Oliveira, Pedro V

“…A method for the direct determination of Pb in wines by simultaneous multi-element atomic absorption spectrometry (SIMAAS) using a transversely heated graphite…”
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Deposição eletrolítica catódica e anódica simultâneas para minimizar interferências de cobre e chumbo na determinação espectrofotométrica de cádmio em água e alimentos via reação com Verde de Malaquita e iodeto by Oliveira, Adriana Paiva de, Freschi, Gian Paulo Giovanni, Dakuzaku, Carolina Sinabucro, Moraes, Mercedes de, Crespi, Marisa Spirandeli, Gomes Neto, José Anchieta

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Influência de nitrato de paládio, nitrato de magnésio e nitrato de níquel no comportamento térmico de arsênio em açúcares por espectrometria de absorção atômica em forno de grafite by DAKUZAKU, Carolina Sinabucro, FRESCHI, Gian Paulo Giovanni, MORAES, Mercedes de, GOMES NETO, José Anchieta

“…A influência de digeridos e suspensões de açúcar no comportamento térmico de As usando Pd(NO3)2, Pd(NO3)2 + Mg(NO3)2, and Ni(NO3)2 como modificadores químicos…”
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Padronização interna em espectrometria de absorção atômica by Fernandes, Kelly G., Moraes, Mercedes de, Gomes Neto, José A., Nóbrega, Joaquim A., Oliveira, Pedro V.

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Tungsten Permanent Chemical Modifier for Fast Estimation of Se Contents in Soil by Graphite Furnace Atomic Absorption Spectrometry by Rosa, Cassia Regina, Freschi, de Moraes, Mercedes, Gomes Neto, José Anchieta, Nóbrega, Joaquim Araújo, Araújo Nogueira, Ana Rita, Sacramento, Luís Vitor

“…A tungsten carbide coating on the integrated platform of a transversely heated graphite atomizer was used as a modifier for the direct determination of Se in…”
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Titulações potenciométricas de compostos pirazólicos em meio de ácido acético glacial by Tognolli, João Olímpio, De Moraes, Mercedes, Molina, Manuel, Melios, Cristo Bladimiros

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Equilibria in acetone medium. VII. Conductimetric and spectrophotometric studies on binary systems of Cobalt(II) halides with diazoles. A preliminary survey by Molina, Manuel, De Moraes, Mercedes, Melios, Cristo Bladimiros, Tognolli, João Olímpio

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Spectrophotometric determination of dipyrone in pharmaceutical preparations by using chromotropic acid by Sakiara, Kelly Alessandra, Pezza, Leonardo, Bladimiros Melios, Cristo, Redigolo Pezza, Helena, de Moraes, Mercedes

“…A spectrophotometric method for the determination of dipyrone in pharmaceutical preparations is proposed. This method is based on selective oxidation of…”
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Evaluation of analyte additions method for sodium determination in fuel ethanol by flame atomic emission spectrometry by Adriana Paiva de Oliveira, Leonardo Luiz Okumura, José Anchieta Gomes Neto, Mercedes de Moraes

“…The analyte additions method was applied for sodium determination in fuel ethanol by atomic emission spectrometry. Graphics involving emission intensity versus…”
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Potencialidades e aplicações do ligante dietilditiofosfato de amônio em análises químicas by FERNANDES, Andréa Pires, MORAES, Mercedes de, GOMES NETO, José Anchieta

“…Este trabalho descreve uma revisão a respeito do uso do ligante dietilditiofosfato de amônio em química analítica e suas potencialidades no campo da análise…”
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