title: Application of quantitative thin-layer chromatography in drug assay and stability testing. Determination of codeine phosphate, noscapine, diphenhydramine hydrochloride, phenylephrine hydrochloride, caffeine, etofyllin, phenobarbital and thiamine hydrochloride by in situ reflectance spectroscopy.
mesh_terms: D001322:Autoanalysis; D002110:Caffeine / Q000032:analysis; D002855:Chromatography, Thin Layer; D003061:Codeine / Q000032:analysis; D004155:Diphenhydramine / Q000032:analysis; D004338:Drug Combinations; D004355:Drug Stability; D008722:Methods; D009665:Noscapine / Q000032:analysis; D004364:Pharmaceutical Preparations / Q000032:analysis*; D010634:Phenobarbital / Q000032:analysis; D010656:Phenylephrine / Q000032:analysis; D013057:Spectrum Analysis; D013806:Theophylline / Q000032:analysis; D013831:Thiamine / Q000032:analysis
chemical_list: D004338:Drug Combinations; D004364:Pharmaceutical Preparations; D010656:Phenylephrine; D002110:Caffeine; D004155:Diphenhydramine; D009665:Noscapine; D013806:Theophylline; D003061:Codeine; D013831:Thiamine; D010634:Phenobarbital