Home / Standards / GB/T 223.11-2008 GB/T 223.11-2008 Abolished Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method 钢铁及合金 铬含量的测定 可视滴定或电位滴定法 Standard Type GBT ICS 77.080.01 CCS H11 Status 废止 Issue Date 2008-09-11 Implementation 2009-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会