Home / Standards / GB/T 4701.7-2009 GB/T 4701.7-2009 Active Ferrotitanium - Determination of phosphorus content - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method 钛铁 磷含量的测定 铋磷钼蓝分光光度法和钼蓝分光光度法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2009-07-08 Implementation 2010-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A