Home / Standards / GB/T 27849-2011 GB/T 27849-2011 Active Chemicals-Degradation screening test - Chemical oxygen demand 化学品 降解筛选试验 化学需氧量 Standard Type GBT ICS 13.020.40 CCS A80 Status 现行 Issue Date 2011-12-30 Implementation 2012-08-01 Responsible Dept 国家标准委 Drafting Unit N/A