Home / Standards / GB/T 46140-2025 GB/T 46140-2025 Active Chemicals—Water-sediment myriophyllum spicatum toxicity test 化学品 水-沉积物系统中穗状狐尾藻毒性试验 Standard Type GBT ICS 13.300 CCS A80 Status 现行 Issue Date 2025-08-29 Implementation 2025-12-01 Responsible Dept 国家标准委 Drafting Unit N/A