Home / Standards / GB/T 6730.29-2016 GB/T 6730.29-2016 Active Iron ores—Determination of barium content—Barium sulfate grarimetric method 铁矿石 钡含量的测定 硫酸钡重量法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2016-12-13 Implementation 2017-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A