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Determination of isoniazid in tablets by second-derivative ultraviolet spectrophotometry of scraped-spot solutions from thin-layer chromatography

Separation ScienceGas ChromatographyMedicineDrug PurityAnalytical ChemistryThin-layer ChromatographyScraped-spot SolutionsClinical ChemistrySecond-derivative Ultraviolet SpectrophotometryLiquid ChromatographyPharmacologyChromatographic AnalysisChromatographyDrug Analysis