Home / Standards / GB/T 17817-2024 GB/T 17817-2024 Active Determination of vitamin A in feeds—High performance liquid chromatography 饲料中维生素A的测定 高效液相色谱法 Standard Type GBT ICS 65.120 CCS B 46 Status 现行 Issue Date 2024-11-28 Implementation 2025-06-01 Responsible Dept 国家标准委 Drafting Unit N/A