title: A colorimetric method for the determination of phenacetin and paracetamol. 3. Studies of the indophenol reaction: an alternative manual procedure for the determination of phenacetin and paracetamol and its application to the determination of other pharmaceuticals, including sulphonamides, procaine and related compounds.
mesh_terms: D000082:Acetaminophen / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D003124:Colorimetry; D006863:Hydrogen-Ion Concentration; D007215:Indophenol; D008370:Manuals as Topic; D008722:Methods; D010615:Phenacetin / Q000032:analysis*; D011343:Procaine / Q000032:analysis*; D013449:Sulfonamides / Q000032:analysis*; D013696:Temperature
chemical_list: D013449:Sulfonamides; D000082:Acetaminophen; D011343:Procaine; D007215:Indophenol; D010615:Phenacetin