Home / Standards / GB/T 8704.6-2020 GB/T 8704.6-2020 Active Ferrovanadium—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method 钒铁 硅含量的测定 硫酸脱水重量法和硅钼蓝分光光度法 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