Home / Standards / GB/T 30714-2014 GB/T 30714-2014 Active Determination of rare earth in ink-stone by inductively coupled plasma mass spectrometry 电感耦合等离子体质谱法测定砚石中的稀土元素 Standard Type GBT ICS 73.080 CCS D59 Status 现行 Issue Date 2014-03-27 Implementation 2014-10-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A