Home / Standards / GB/T 4324.22-2012 GB/T 4324.22-2012 Active Methods for chemical analysis of tungsten - Part 22: Determination of manganese content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第22部分：锰量的测定 电感耦合等离子体原子发射光谱法 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