Home / Standards / GB/T 223.57-1987 GB/T 223.57-1987 Abolished Methods for chemical analysis of iron，steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content 钢铁及合金化学分析方法 萃取分离-吸附催化极谱法测定镉量 Standard Type GBT ICS 77.080 CCS H11 Status 废止 Issue Date 1987-05-12 Implementation 1988-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A