Luiz Fernando S. Caldas

Multivariate optimization of the determination of zinc in diesel oil employing a novel extraction strategy based on emulsion breaking

Ricardo J. Cassella, Daniel M. Brum, Cláudio F. Lima et al. · Analytica Chimica Acta · 2011 · 49 citations

Solvent Extraction, Emulsion Breaking, Chemical Engineering +8

Application of the extraction induced by emulsion breaking for the determination of Cu, Fe and Mn in used lubricating oils by flame atomic absorption spectrometry

Luiz Fernando S. Caldas, Daniel M. Brum, Carlos Eduardo R. de Paula et al. · Talanta · 2013 · 42 citations

Application of a four-variables Doehlert design for the multivariate optimization of copper determination in petroleum-derived insulating oils by GFAAS employing the dilute-and-shot approach

Luiz Fernando S. Caldas, Carlos Eduardo R. de Paula, Daniel M. Brum et al. · Fuel · 2012 · 35 citations

Multivariate optimization of a spectrophotometric method for copper determination in Brazilian sugar-cane spirits using the Doehlert design

Luiz Fernando S. Caldas, B.B.A. Francisco, Annibal Duarte Pereira Netto et al. · Microchemical Journal · 2011 · 31 citations

Development of a focused ultrasound-assisted extraction method for the determination of trace concentrations of Cr and Mn in pharmaceutical formulations by ETAAS

Carlos Eduardo R. de Paula, Luiz Fernando S. Caldas, Daniel M. Brum et al. · Journal of Pharmaceutical and Biomedical Analysis · 2012 · 22 citations

Solvent Extraction, Extractive Metallurgy, Chemical Engineering +13