Home / Standards / GB/T 6730.84-2023 GB/T 6730.84-2023 Active Iron ores—Determination of total rare earth content—Inductively coupled plasma atomic emission spectrometric method 铁矿石 稀土总量的测定 电感耦合等离子体原子发射光谱法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A