Home / Standards / GB/T 34972-2017 GB/T 34972-2017 Active Determination of metal content in gases—Inductively coupled plasma mass spectrometry method 电子工业用气体中金属含量的测定 电感耦合等离子体质谱法 Standard Type GBT ICS 71.040.40 CCS G86 Status 现行 Issue Date 2017-11-01 Implementation 2018-02-01 Responsible Dept 国家标准委 Drafting Unit N/A