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A hydrazone covalent organic polymer based micro-solid phase extraction for online analysis of trace Sudan dyes in food samples

Food ChemistrySolvent ExtractionChemical EngineeringEngineeringMedicineBioanalysisMass SpectrometryOnline AnalysisAnalytical ChemistryLiquid ChromatographyChemistryDyeingTrace Sudan DyesMicro-solid Phase ExtractionChromatography