Home / Standards / GB/T 223.48-1985 GB/T 223.48-1985 Abolished Methods for chemical analysis of iron,steel and alloy--The semixylenol orange photometric method for the determination of bismuth content 钢铁及合金化学分析方法 半二甲酚橙光度法测定铋量 Standard Type GBT ICS 77.080 CCS H11 Status 废止 Issue Date 1985-07-18 Implementation 1986-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A