title: Collaborative study of a column chromatographic method for the determination of polythiazide in the presence of vanillin.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D005421:Flavoring Agents; D008722:Methods; D011139:Polythiazide / Q000032:analysis* / Q000592:standards; D012545:Schiff Bases; D012997:Solvents; D013056:Spectrophotometry, Ultraviolet; D013607:Tablets / Q000592:standards
chemical_list: D005421:Flavoring Agents; D012545:Schiff Bases; D012997:Solvents; D013607:Tablets; D011139:Polythiazide