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Ultrasound-assisted extraction of Pb, Cd, Cr, Mn, Fe, Cu, Zn from edible oils with tetramethylammonium hydroxide and EDTA followed by determination using graphite furnace atomic absorption spectrometer

Solvent ExtractionExtractive MetallurgyChemical EngineeringTetramethylammonium HydroxideEdible OilsEngineeringFood AnalysisSonochemistryAnalytical ChemistryUltrasound-assisted ExtractionChemistryUltrasoundMineral ProcessingElemental CharacterizationChromatography