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Sensitive determination of As (III) and As (V) by magnetic solid phase extraction with Fe@polyethyleneimine in combination with hydride generation atomic fluorescence spectrometry

Chemical EngineeringChemical MeasurementEngineeringAnalytical InstrumentationSpectroscopyMass SpectrometryMagnetic ResonanceAnalytical ChemistryAtomic Fluorescence SpectroscopySensitive DeterminationChemistryMedicineElemental CharacterizationChromatography