Home / Standards / GB/T 34532-2017 GB/T 34532-2017 Active Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method 焦化废水 氨氮含量的测定 甲醛法 Standard Type GBT ICS 71.080 CCS G15 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A