GB/T 21166-2007#Determination of residual nitrofuran metabolites in casings - Liquid chromatography-tandem mass spectrometry method - Animal derived food - # 1-amino-2-urea (furantoin, AHD)
Ministry of Agriculture Announcement No. 781-2006#Determination of residual nitrofuran metabolites in animal derived foods - High performance liquid chromatography tandem mass spectrometry Announcement No. 781 of the Ministry of Agriculture -4-2006 # Animal derived foods - # 1-amino-2-urea (furantoin, AHD)
Announcement No. 1077 of the Ministry of Agriculture -2-2008#Determination of residual nitrofuran metabolites in aquatic products - High performance liquid chromatography method - Announcement No. 1077 of the Ministry of Agriculture -2-2008 # Aquatic product # 1-amino-2-urea (furantoin, AHD)
GB/T 22987-2008#Determination of residual metabolites of furantone, furacilin, furantoin, and furazolidone in milk and milk powder - Liquid chromatography-tandem mass spectrometry method - # 1-amino-2-urea (AHD) in milk and milk powder
GB/T 21167-2007#Determination of residual nitrofuran metabolites in royal jelly - Liquid chromatography-tandem mass spectrometry method # Royal jelly # 1-amino-2-urea (furantoin, AHD)
GB/T 18932.24-2005#Method for the determination of residual metabolites of furanone, furacilin, furantoin, and furazolidone in honey - Liquid chromatography-tandem mass spectrometry method # 1 amino-2-urea (AHD) in honey
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