title: Separation of the pyridine-monocarboxylic and 2-pyridine-dicarboxylic acids by two-dimensional ion-exchange thin-layer chromatography.
mesh_terms: D000535:Aluminum; D002482:Cellulose; D002852:Chromatography, Ion Exchange; D002855:Chromatography, Thin Layer; D003998:Dicarboxylic Acids / Q000032:analysis*; D011725:Pyridines / Q000032:analysis*; D012822:Silicon Dioxide; D012997:Solvents
chemical_list: D003998:Dicarboxylic Acids; D011725:Pyridines; D012997:Solvents; D012822:Silicon Dioxide; D002482:Cellulose; D000535:Aluminum