Home / Standards / GB/T 17813-2018 GB/T 17813-2018 Active Determination of nicotinic acid and folic acid in premix—High performance liquid chromatography 添加剂预混合饲料中烟酸与叶酸的测定 高效液相色谱法 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2018-09-17 Implementation 2019-04-01 Responsible Dept 国家标准委 Drafting Unit N/A