Home / Standards / GB/T 8981-2008 GB/T 8981-2008 Abolished Determination of trace hydrogen in gases - Gas chromatographic method 气体中微量氢的测定 气相色谱法 Standard Type GBT ICS 71.040.40 CCS G86 Status 废止 Issue Date 2008-05-15 Implementation 2008-11-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A