Home / Standards / GB/T 4701.1-2009 GB/T 4701.1-2009 Active Ferrotitanium - Determination of titanium content - The ammonium ferric sulfate titration method 钛铁 钛含量的测定 硫酸铁铵滴定法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2009-10-30 Implementation 2010-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A