Antônio C. S. Costa

Assessment of trace metals contamination in estuarine sediments using a sequential extraction technique and principal component analysis

Elisângela de Andrade Passos, Jeferson Cavalcante Alves, Izaias Souza dos Santos et al. · Microchemical Journal · 2010 · 279 citations

Natural Sciences, Chemistry, Environmental Sciences +17

New Materials for Solid‐Phase Extraction of Trace Elements

Valfredo Azevedo Lemos, Leonardo S.G. Teixeira, Marcos Almeida Bezerra et al. · Applied Spectroscopy Reviews · 2008 · 163 citations

Natural Sciences, Chemical Engineering, Materials Science +16

Speciation of chromium in river water samples contaminated with leather effluents by flame atomic absorption spectrometry after separation/preconcentration by cloud point extraction

Geraldo D. Matos, Edmagno B. dos Reis, Antônio C. S. Costa et al. · Microchemical Journal · 2009 · 81 citations · Full text

Natural Sciences, Chemistry, Environmental Engineering +16

Pre-concentration procedure for determination of copper and zinc in food samples by sequential multi-element flame atomic absorption spectrometry

Hadla S. Ferreira, Ana Carmen Santos, Lindomar A. Portugal et al. · Talanta · 2008 · 73 citations · Full text

Agriculture, Chemistry, Food Science +14

Determination of formaldehyde in Brazilian alcohol fuels by flow-injection solid phase spectrophotometry

Leonardo S.G. Teixeira, Elsimar S. Leão, Alaı́lson F. Dantas et al. · Talanta · 2004 · 67 citations · Full text

Natural Sciences, Chemical Engineering, Chemistry +6