Home / Standards / GB/T 4333.8-2022 GB/T 4333.8-2022 Active Ferrosilicon—Determination of calcium content—Flame atomic absorption spectrometry 硅铁 钙含量的测定 火焰原子吸收光谱法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A