Solid Phase ExtractionCalibrationInorganic ChemicalsTandem Mass SpectrometryBurseraceaeChromatography, High Pressure LiquidChromatography, LiquidLimit of DetectionAcanthopanaxReproducibility of ResultsReference StandardsSpectrophotometry, AtomicGas Chromatography-Mass SpectrometryMass SpectrometrySpectrometry, Mass, Electrospray IonizationSensitivity and SpecificityWater Pollutants, ChemicalIndicators and ReagentsPhenolsMolecular StructureSolid Phase MicroextractionSolid-Phase Synthesis TechniquesSpectrophotometry, UltravioletTooth Extraction