Home / Standards / GB/T 6730.83-2022 GB/T 6730.83-2022 Active Iron ores—Determination of loss on ignition—Gravimetric method corrected by hygroscopic water 铁矿石 灼烧减量的测定 吸湿水校正重量法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A