Marcelo Souza de Carvalho

Application of Doehlert matrix and factorial designs in optimization of experimental variables associated with preconcentration and determination of molybdenum in sea-water by inductively coupled plasma optical emission spectrometry

Sérgio L.C. Ferreira, Hilda C. dos Santos, Marcelo S. Fernandes et al. · Journal of Analytical Atomic Spectrometry · 2002 · 68 citations · Full text

Natural Sciences, Chemical Engineering, Chemistry +16

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

Djane Santiago de Jesus, Ricardo J. Cassella, Sérgio L.C. Ferreira et al. · Analytica Chimica Acta · 1998 · 63 citations

Pharmacy, Chemical Engineering, Chemistry +11

Chemical modification of cross-linked resin based on acrylonitrile for anchoring metal ions

Luiz Cláudio de Santa Maria, Márcia C. V. Amorim, Pedro Ivo C. Guimarães et al. · Reactive and Functional Polymers · 2001 · 54 citations

Natural Sciences, Chemistry, Materials Science +8

Flow injection determination of cobalt after its sorption onto polyurethane foam loaded with 2-(2-thiazolylazo)-p-cresol (TAC)

Ricardo J. Cassella, Verônica A. Salim, Luciene S. Jesuı́no et al. · Talanta · 2001 · 52 citations · Full text

Natural Sciences, Chemical Engineering, Materials Science +4

Application of polyurethane foam loaded with BTAC in an on-line preconcentration system: cadmium determination by FAAS

Valfredo Azevedo Lemos, Ricardo Erthal Santelli, Marcelo Souza de Carvalho et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 2000 · 51 citations · Full text

Engineering, Chemical Engineering, Chemistry +13