Chromatography, High Pressure LiquidChromatography, Reverse-PhaseAcetonitrilesChromatography, LiquidSpectrophotometry, UltravioletDrug StabilityReproducibility of ResultsCalibrationLimit of DetectionMobile Health UnitsReference StandardsCountercurrent DistributionIonic LiquidsMethanolSpectrometry, Mass, Electrospray IonizationCellular PhoneCapillary ElectrochromatographySensitivity and SpecificityTandem Mass SpectrometryTabletsCaprolactamDrug ContaminationSolid Phase Extraction2-PropanolMaterials TestingIndicators and ReagentsLiquid-Liquid ExtractionDosage FormsSolventsStereoisomerismChromatography, Thin LayerPharmaceutical PreparationsDrugs, Chinese HerbalTrifluoroacetic AcidQuality ControlMass SpectrometryHydrogen-Ion ConcentrationVanilmandelic AcidLinear ModelsLeast-Squares AnalysisChemical FractionationClorazepate DipotassiumMobile ApplicationsHexanesNaphazolinePhenylcarbamatesMicrochemistryAmygdalinFormatesElectrochemistryChlorogenic AcidCapsulesEthosuximideDiatomaceous EarthPharmaceutical SolutionsCrataegusMolecular StructureBuffersChemistry, PharmaceuticalEthylaminesKhellinDyphyllineDensitometryPrimidoneParabensCyclodextrinsPseudoephedrineChromatography, Supercritical FluidPlant ExtractsNaproxenMedicine, KampoDrug ResiduesTemperaturePolymersWaterInterspersed Repetitive SequencesFlavanonesLoniceraDrug PackagingSilicon DioxideTheobromineDental MaterialsIsomerismAcetatesBiocompatible MaterialsTherapeutic EquivalencyMethacrylatesTechnology, PharmaceuticalCation Exchange ResinsAnionsMedicine, Chinese TraditionalPotassium CompoundsCinchona AlkaloidsAdsorptionTime FactorsEphedrineSolutionsFluorometryMethylene ChloridePlant Components, Aerial