Jorge S. Almeida

Determination of Pb, Cu and Fe in ethanol fuel samples by high-resolution continuum source electrothermal atomic absorption spectrometry by exploring a combination of sequential and simultaneous strategies

Jorge S. Almeida, Odara C.C.O. Souza, Leonardo S.G. Teixeira · Microchemical Journal · 2017 · 54 citations

Pharmacy, Chemical Engineering, Chemistry +14

Ultrasound-assisted single-drop microextraction for the determination of cadmium in vegetable oils using high-resolution continuum source electrothermal atomic absorption spectrometry

Jorge S. Almeida, Taiana A. Anunciação, Geovani C. Brandão et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 2015 · 49 citations

Pharmacy, Chemistry, Food Science +13

Multivariate optimization of ultrasound-assisted extraction using Doehlert matrix for simultaneous determination of Fe and Ni in vegetable oils by high-resolution continuum source graphite furnace atomic absorption spectrometry

Jorge S. Almeida, Gabriel Luiz dos Santos, Geovani C. Brandão et al. · Food Chemistry · 2018 · 43 citations

Agriculture, Chemistry, Food Science +15

Multi-element determination of Cd, Pb, Cu, V, Cr, and Mn in ethanol fuel samples using energy dispersive X-ray fluorescence spectrometry after magnetic solid phase microextraction using CoFe2O4 nanoparticles

Lucília A. Meira, Jorge S. Almeida, Fábio de S. Dias et al. · Microchemical Journal · 2018 · 38 citations

Pharmacy, Chemical Engineering, Chemistry +17

Ultrasound-assisted synthesis of ethyl esters from soybean oil via homogeneous catalysis

Jeane Quelle Alves Brito, Creuza S. Silva, Jorge S. Almeida et al. · Fuel Processing Technology · 2011 · 30 citations · Full text

Natural Sciences, Biotechnology, Catalysis +10