title: A colorimetric method for the determination of phenacetin and paracetamol. I. An automated procedure for the determination, in formulations, of phenacetin and paracetamol alone or in the presence of aspirin and codeine phosphate.
mesh_terms: D000082:Acetaminophen / Q000032:analysis*; D001241:Aspirin / Q000032:analysis; D001322:Autoanalysis; D003061:Codeine / Q000032:analysis; D003124:Colorimetry; D004338:Drug Combinations; D004339:Drug Compounding; D008722:Methods; D010615:Phenacetin / Q000032:analysis*
chemical_list: D004338:Drug Combinations; D000082:Acetaminophen; D010615:Phenacetin; D001241:Aspirin; D003061:Codeine