Home / Standards / GB/T 8704.7-2009 GB/T 8704.7-2009 Active Ferrovanadium - Determination of phosphorus content - The molybdenum blue photometric method 钒铁 磷含量的测定 钼蓝分光光度法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2009-07-15 Implementation 2010-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A