Home / Standards / GB/T 6730.73-2016 GB/T 6730.73-2016 Abolished Iron ores—Determination of total iron content—EDTA photometric titration method 铁矿石 全铁含量的测定 EDTA光度滴定法 Standard Type GBT ICS 73.060.10 CCS D31 Status 废止 Issue Date 2016-02-24 Implementation 2016-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A