Home / Standards / GB/T 21852-2025 GB/T 21852-2025 Active Chemicals—Partition coefficient(n-octanol/water)—High performance liquid chromatography(HPLC)method 化学品 分配系数(正辛醇-水)高效液相色谱法试验 Standard Type GBT ICS 13.300 CCS A80 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A