Home / Standards / GB/T 223.73-2008 GB/T 223.73-2008 Active Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method 钢铁及合金 铁含量的测定 三氯化钛-重铬酸钾滴定法 Standard Type GBT ICS 77.080.01 CCS H11 Status 现行 Issue Date 2008-05-13 Implementation 2008-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会