Eniz Conceição Oliveira

Comparison of soxhlet, ultrasound-assisted and pressurized liquid extraction of terpenes, fatty acids and Vitamin E from Piper gaudichaudianum Kunth

Valéria Flores Péres, Jenifer Saffi, Maria Inês Soares Melecchi et al. · Journal of Chromatography A · 2005 · 122 citations

Food Chemistry, Vitamin E, Fatty Acids +6

Characterization of Nitrogen-Containing Compounds in Heavy Gas Oil Petroleum Fractions Using Comprehensive Two-Dimensional Gas Chromatography Coupled to Time-of-Flight Mass Spectrometry

Carin vön Muhlen, Eniz Conceição Oliveira, Cláudia Alcaraz Zini et al. · Energy & Fuels · 2010 · 62 citations

Time-of-flight Mass Spectrometry, Engineering, Chemistry +16

Qualitative and quantitative study of nitrogen‐containing compounds in heavy gas oil using comprehensive two‐dimensional gas chromatography with nitrogen phosphorus detection

Carin vön Muhlen, Eniz Conceição Oliveira, Paul D. Morrison et al. · Journal of Separation Science · 2007 · 57 citations

Solvent Extraction, Engineering, Heavy Gas Oil +16

Ion-exchange resins in the isolation of nitrogen compounds from petroleum residues

Eniz Conceição Oliveira, Maria Cecı́lia Vaz de Campos, Aline S. Lopes et al. · Journal of Chromatography A · 2003 · 46 citations

Solvent Extraction, Environmental Chemistry, Chemical Engineering +11

Optimization of pressurized liquid extraction of Piper gaudichaudianum Kunth leaves

Valéria Flores Péres, Jenifer Saffi, Maria Inês Soares Melecchi et al. · Journal of Chromatography A · 2005 · 32 citations

Solvent Extraction, Engineering, Environmental Engineering +3