title: A new spectrophotometric method for the determination of penicillins.
mesh_terms: D002228:Carbenicillin / Q000032:analysis; D003023:Cloxacillin / Q000032:analysis; D004009:Dicloxacillin / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D007093:Imidazoles; D008712:Methicillin / Q000032:analysis; D008722:Methods; D010397:Penicillanic Acid / Q000032:analysis; D010404:Penicillin V / Q000031:analogs & derivatives / Q000032:analysis; D010406:Penicillins / Q000032:analysis*; D013053:Spectrophotometry
chemical_list: D007093:Imidazoles; D010406:Penicillins; D010397:Penicillanic Acid; D004009:Dicloxacillin; D002228:Carbenicillin; D003023:Cloxacillin; D008712:Methicillin; D010404:Penicillin V