Home / Standards / GB/T 4324.19-2012 GB/T 4324.19-2012 Active Methods for chemical analysis of tungsten - Part 19: Determination of titanium content - The diantipyrylmethane photometric spectrophtometry 钨化学分析方法 第19部分:钛量的测定 二安替比林甲烷分光光度法 Standard Type GBT ICS 77.120.99 CCS H63 Status 现行 Issue Date 2012-12-31 Implementation 2013-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A