Home / Standards / GB/T 26416.9-2023 GB/T 26416.9-2023 Active Chemical analysis methods for rare earth ferroalloy—Part 9:Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometry 稀土铁合金化学分析方法 第9部分:磷量的测定 铋磷钼蓝分光光度法 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 国家标准委 Drafting Unit N/A