title: Determination of oxytetracycline, sulphamethazine and sulphamethoxypyridazine in feed premixes.
mesh_terms: D000821:Animal Feed / Q000032:analysis*; D004126:Dimethylformamide; D010118:Oxytetracycline / Q000032:analysis*; D012997:Solvents; D013056:Spectrophotometry, Ultraviolet; D013418:Sulfamethazine / Q000032:analysis*; D013421:Sulfamethoxypyridazine / Q000032:analysis*
chemical_list: D012997:Solvents; D013418:Sulfamethazine; D004126:Dimethylformamide; D013421:Sulfamethoxypyridazine; D010118:Oxytetracycline