Home / Standards / GB/T 6730.61-2022 GB/T 6730.61-2022 Active Iron ores—Determination of carbon and sulfur content—High frequency combustion with infrared absorption method 铁矿石 碳和硫含量的测定 高频燃烧红外吸收法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2022-10-14 Implementation 2023-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A