title: Separation and detection of water-soluble acid dyes on polyamide thin layers.
mesh_terms: D000143:Acids; D000577:Amides; D002855:Chromatography, Thin Layer; D004396:Coloring Agents / Q000032:analysis*; D005503:Food Additives / Q000032:analysis*; D006863:Hydrogen-Ion Concentration; D008722:Methods; D012995:Solubility; D012997:Solvents; D014867:Water
chemical_list: D000143:Acids; D000577:Amides; D004396:Coloring Agents; D005503:Food Additives; D012997:Solvents; D014867:Water