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Ultrasensitive determination of selenium in food samples and its speciation in water and beverages using thiosemicarbazide-incorporated graphene and total-reflection X-ray fluorescence spectrometry

Food ChemistryChemical EngineeringEngineeringSelenium DeficiencyNatural SciencesSpectroscopyEnvironmental Analytical ChemistryAnalytical ChemistryThiosemicarbazide-incorporated GrapheneFood SamplesChemistryUltrasensitive DeterminationElemental Characterization