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Monitoring of selenium in water samples using dispersive liquid–liquid microextraction followed by iridium-modified tube graphite furnace atomic absorption spectrometry

Chemical EngineeringEngineeringEnvironmental EngineeringSpectroscopyWater SamplesMass SpectrometryEnvironmental Analytical ChemistryAnalytical ChemistryDispersive Liquid–liquid MicroextractionElemental CharacterizationTrace Element