Author Search Results

121

Simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry

by Portugal, Lindomar Andrade

Published 2007

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

122

On-line system for preconcentration and determination of metals in vegetables by Inductively Coupled Plasma Optical Emission Spectrometry

by Bezerra, Marcos de Almeida

Published 2007

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

123

Determinação espectrofotométrica do arsênio em cabelo usando o método do dietilditiocarbamato de prata (SDDC) e trietanolamina/CHCl3 como solvente

by PEREIRA, Simone de Fátima Pinheiro

Published 2002

Other Authors: “...FERREIRA, Sérgio Luis Costa...”
Access document

Article

124

Spectrophotometric determination of arsenic in soil samples using 2-(5-bromo-2-pyridylazo)-5-di-ethylaminophenol (Br-PADAP)

by PEREIRA, Simone de Fátima Pinheiro

Published 2008

Other Authors: “...FERREIRA, Sérgio Luis Costa...”
Access document

Article

125

Methods for vanadium determination in fuel oil by GF AAS with microemulsification and acid digestion sampling

by Amorim, Fábio A.C.

Published 2007

Other Authors: “...Ferreira, Sérgio Luis Costa...”
Access document

Article

126

Uso de irradiação de microondas na determinação espectrofotométrica de cromo com EDTA

by Costa,Antônio Celso Spínola

Published 1999

Other Authors: “...Ferreira,Sérgio Luís Costa...”
Access document

Article

127

Application of multivariate techniques for optimization of direct method for determination of lead in naphtha and petroleum condensate by electrothermal atomic absorption spectrome...

by Dias, Fábio de Souza

Published 2007

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

128

Automatic on-line pre-concentration system using a knotted reactor for the FAAS determination of lead in drinking water

by Souza, Anderson Santos

Published 2007

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

129

On-line simultaneous pre-concentration procedure for the determination of cadmium and lead in drinking water employing sequential multi-element flame atomic absorption spectrometry

by Santos, João Victor da Silva

Published 2011

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

130

Determination of mercury in phosphate fertilizers by cold vapor atomic absorption spectrometry

by Jesus, Robson M. de

Published 2013

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

131

Determination of the mineral composition of Brazilian rice and evaluation using chemometric techniques

by Silva, Douglas Gonçalves da

Published 2013

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

132

Use of multivariate analysis techniques for the characterization of analytical results for the determination of the mineral composition of kale

by Fadigas, Joelma C.

Published 2010

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

133

On-line preconcentration system for ¯ame atomic absorption spectrometry using unloaded polyurethane foam: determination of zinc in waters and biological materials

by Cassella, Ricardo Jorgensen

Published 1999

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

134

Application of multivariate technique in method development for the direct determination of copper in petroleum condensate using graphite furnace atomic absorption spectrometry

by Santos, Walter Nei Lopes dos

Published 2005

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

135

Flow-injection solid-phase spectrophotometry for the determination of zinc in pharmaceutical preparations

by Teixeira, Leonardo Sena Gomes

Published 1999

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

136

Nickel and zinc determination by flow-injection solid-phase spectrophotometry exploiting different sorption rates

by Teixeira, Leonardo Sena Gomes

Published 2000

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

137

ICP–AES determination of small amounts of zinc in copper-base alloys after separation by adsorption of the zinc–TAN complex on Sep Pak C18 cartridges

by Teixeira, Leonardo Sena Gomes

Published 1998

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

138

Polyurethane foam as a sorbent for continuous flow analysis: preconcentration and spectrophotometric determination of zinc in biological materials

by Jesus, Djane Santiago de

Published 1998

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

139

2-(2-Thiazolylazo)-p-cresol as a spectrophotometric reagent for vanadium determination in the presence of ascorbic acid

by Teixeira, Leonardo Sena Gomes

Published 1998

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article

140

Optimization of the operating conditions using factorial designs for determination of uranium by inductively coupled plasma optical emission spectrometry

by Santos, Juracir S.

Published 2011

Other Authors: “...Ferreira, Sergio Luis Costa...”
Access document

Article