Home / Standards / GB/T 6730.52-2018 GB/T 6730.52-2018 Active Iron ores—Determination of cobalt content—Flame atomic absorption spectrometric method 铁矿石 钴含量的测定 火焰原子吸收光谱法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2018-05-14 Implementation 2019-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A