title: [Determination of penicillanic acid in solutions of penicillins using dithionitrobenzoic acid].
mesh_terms: D001565:Benzoates; D004220:Disulfides; D009578:Nitrobenzenes; D010397:Penicillanic Acid / Q000032:analysis; D010406:Penicillins / Q000032:analysis*; D013439:Sulfhydryl Reagents; D013844:Thiazoles / Q000032:analysis*
chemical_list: D001565:Benzoates; D004220:Disulfides; D009578:Nitrobenzenes; D010406:Penicillins; D013439:Sulfhydryl Reagents; D013844:Thiazoles; D010397:Penicillanic Acid
vernacular_title: De bepaling van penicilleenzuur in oplossingen van penicillinen met behulp van dithionitrobenzoëzuur.