Home / Standards / GB/T 4701.2-2009 GB/T 4701.2-2009 Active Ferrotitanium - Determination of silicon content - The sulphuric acid dehydration gravimetric method 钛铁 硅含量的测定 硫酸脱水重量法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2009-07-08 Implementation 2010-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A