Home / Standards / GB/T 6730.5-2022 GB/T 6730.5-2022 Active Iron ores—Determination of total iron content—Titrimetric methods after titanium(III) chloride reduction 铁矿石 全铁含量的测定 三氯化钛还原后滴定法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2022-04-15 Implementation 2022-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A