Home / Standards / GB/T 6730.3-2017 GB/T 6730.3-2017 Active Iron ores—Determination of hygroscopic moisture in analytical samples—Gravimetric, Karl Fischer and mass-loss methods 铁矿石 分析样中吸湿水分的测定 重量法、卡尔费休法和质量损失法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2017-10-14 Implementation 2018-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A