Home / Standards / GB/T 6730.46 GB/T 6730.46 Active Iron ores—Determination of arsenic content—Arseno-molybdenum blue spectrophotometric method after the distillation separation 铁矿石 砷含量的测定 蒸馏分离-砷钼蓝分光光度法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会