title: Collaborative study of the determination of sulfaquinoxaline, sulfathiazole, sulfamerazine, and sulfamethazine in feed concentrates and premixes.
mesh_terms: D000821:Animal Feed / Q000032:analysis*; D002855:Chromatography, Thin Layer; D011810:Quinoxalines / Q000032:analysis; D013057:Spectrum Analysis; D013416:Sulfamerazine / Q000032:analysis*; D013418:Sulfamethazine / Q000032:analysis*; D013424:Sulfanilamides / Q000032:analysis*; D013432:Sulfathiazoles / Q000032:analysis*
chemical_list: D011810:Quinoxalines; D013424:Sulfanilamides; D013432:Sulfathiazoles; D013418:Sulfamethazine; D013416:Sulfamerazine