Home / Standards / GB/T 34231-2017 GB/T 34231-2017 Active Determination of loss on ignition for coal combustion residues 煤炭燃烧残余物烧失量测定方法 Standard Type GBT ICS 73.040 CCS D21 Status 现行 Issue Date 2017-09-07 Implementation 2018-04-01 Responsible Dept 中国煤炭工业协会 Drafting Unit N/A