Home / Standards / GB/T 42956-2023 GB/T 42956-2023 Active Determination of tylosin, tylvalosin and tilmicosin in feeds—Liquid chromatography-tandem mass spectrometry 饲料中泰乐菌素、泰万菌素、替米考星的测定 液相色谱-串联质谱法 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 国家标准委 Drafting Unit N/A