Home / Standards / GB/T 21805 GB/T 21805 Active Chemicals—Alga growth inhibition test 化学品 藻类生长抑制试验 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 国家标准委