558.35 Aklomide. 558.55 Amprolium. 558.58 Amprolium and ethopabate. 558.59 Apramycin. 558.60 Arsanilate sodium. 558.62 Arsanilic acid. 558.76 Bacitracin methylene disalicylate. 558.78 Bacitracin zinc. 558.95 Bambermycins. 558.105 [Reserved] 558.115 Carbadox. 558.120 Carbarsone (not U.S.P.). 558.128 Chlortetracycline. 558.140 Chlortetracycline and sulfamethazine. 558.145 Chlortetracycline, proca...

A confirmatory method has been developed to allow for the analysis of fourteen prohibited medicinal additives in pig and poultry compound feed. These compounds are prohibited for use as feed additives although some are still authorised for use in medicated feed. Feed samples are extracted by acetonitrile with addition of sodium sulfate. The extracts undergo a hexane wash to aid with sample puri...