Home / Standards / GB/T 6730.23-2025 GB/T 6730.23-2025 Active Iron ores—Determination of titanium content—The ferric ammonium sulfate titrimetric method 铁矿石 钛含量的测定 硫酸铁铵滴定法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A