Home / Standards / GB/T 44740-2024 GB/T 44740-2024 Active Determination of chlorphenamine and bromphenamine in feeds—Liquid chromatography-tandem mass spectrometry 饲料中氯苯那敏和溴苯那敏的测定 液相色谱-串联质谱法 Standard Type GBT ICS 65.120 CCS B 46 Status 现行 Issue Date 2024-10-26 Implementation 2025-05-01 Responsible Dept 国家标准委 Drafting Unit N/A