Home / Standards / GB/T 8704.5-2020 GB/T 8704.5-2020 Active Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method 钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2020-06-02 Implementation 2020-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A