农业部2349号公告-6-2015 Determination of nitroimidazoles, nitrofurans and quinazolines in feeds.Liquid chromatography-tandem mass spectrometry (English Version)
Agricultural Standard of the People's Republic of China
Scope
This standard specifies eight nitroimidazole drugs in feed: isoprenidazole, metronidazole, tinidazole, secnidazole, carnidazole, ornidazole, demenidazole and ronidazole, furazolidone, A liquid chromatography-tandem mass spectrometry method for the determination of the contents of four nitrofuran drugs, namely furantadone, nitrofurantoin, and nitrofuran, and four quinoxaline drugs, carboxylate, lalaquine, methaquine, and quinocetone. This standard is applicable to the determination of nitroimidazole, nitrofuran and quinoxaline drugs in livestock and poultry compound feed, concentrated feed, additive premixed feed and concentrate supplement. The detection limit of this standard is 0. 05 mg/kg, and the quantitation limit is 0.10 mg/kg.