Home / Standards / GB/T 4333.3-1988 GB/T 4333.3-1988 Active Methods for chemical analysisof ferrosilicon--The potassium periodate photometric method for the determination of manganese content 硅铁化学分析方法 高碘酸钾光度法测定锰量 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 1988-09-20 Implementation 1990-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A