Home / Standards / GB/T 223.4-2008 GB/T 223.4-2008 Active Alloyed steel - Determination of manganese content - Potentiometric or visual titration method 钢铁及合金 锰含量的测定 电位滴定或可视滴定法 Standard Type GBT ICS 77.080.20 CCS H11 Status 现行 Issue Date 2008-05-30 Implementation 2008-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A