Home / Standards / GB/T 34534-2017 GB/T 34534-2017 Active Coke—Determination of ash composition—X-ray fluorescence spectrometric method 焦炭 灰成分含量的测定 X射线荧光光谱法 Standard Type GBT ICS 75.160.10 CCS H32 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A