Home / Standards / GB/T 42307-2023 GB/T 42307-2023 Active Fertilizers and soil conditioners—Determination of biuret content of urea-based fertilizers—HPLC method 肥料和土壤调理剂 尿素基肥料中缩二脲含量的测定 高效液相色谱法 Standard Type GBT ICS 65.080 CCS G20 Status 现行 Issue Date 2023-03-17 Implementation 2023-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A