Home / Standards / GB/T 4333.2-2023 GB/T 4333.2-2023 Active Ferrosilicon—Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometric method 硅铁 磷含量的测定 铋磷钼蓝分光光度法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2023-09-07 Implementation 2024-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A