Home / Standards / GB/T 4333.1-1984 GB/T 4333.1-1984 Abolished Methods for chemical analysis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content 硅铁化学分析方法 高氯酸脱水重量法测定硅量 Standard Type GBT ICS 77.100 CCS H11 Status 废止 Issue Date 1984-04-09 Implementation 1985-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A