Home / Standards / GB/T 6730.22-2016 GB/T 6730.22-2016 Active Iron ores—Determination of titanium content—Diantipyrylmethane spectrophotometric method 铁矿石 钛含量的测定 二安替吡啉甲烷分光光度法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2016-12-13 Implementation 2017-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A