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Sensitive determination of free benzophenone-3 in human urine samples based on an ionic liquid as extractant phase in single-drop microextraction prior to liquid chromatography analysis

Ionic LiquidHuman Urine SamplesSeparation ScienceGas ChromatographyMedicineDrug PurityBioanalysisAnalytical ChemistryLiquid ChromatographyClinical ChemistryFree Benzophenone-3Chromatographic AnalysisPharmacologyChromatographyDrug Analysis