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Optimization of supramolecular solvent microextraction prior to graphite furnace atomic absorption spectrometry for total selenium determination in food and environmental samples

Solvent ExtractionChemical EngineeringEnvironmental ChemistryEngineeringEnvironmental Analytical ChemistryMass SpectrometryEnvironmental RemediationSupramolecular Solvent MicroextractionAnalytical ChemistryTotal Selenium DeterminationTrace ElementAtomic AbsorptionChemistryMedicineElemental CharacterizationEnvironmental SamplesChromatography