Home / Standards / GB/T 21931.3-2008 GB/T 21931.3-2008 Active Nickel,ferronickel and nickel alloys - Determination of phosphorus content - Phosphovanoclonolybeate molecular absorption spectrometric method 镍、镍铁和镍合金 磷含量的测定 磷钒钼黄分光光度法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2008-05-30 Implementation 2008-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会