农业农村部公告第197号-5-2019 Determination of clonidine and other seven α-receptor agonists in feed by liquid chromatography-tandem mass spectrometry (English Version)
This standard specifies the liquid chromatography-tandem mass spectrometry of seven alpha-receptor agonists: clonidine, tizanidine, xylazine, medetomidine, guanabenzyl, rimedine, and guanfacine in feed. test methods. This standard applies to seven types of compound feed, concentrated feed, concentrate supplements and additive premixed feed: clonidine, tizanidine, xylazine, medetomidine, guanabenzyl, rimenidine and guanfacine Assay of alpha-agonists.