Home / Standards / GB/T 23368.2-2009 GB/T 23368.2-2009 Active Methods for chemical analysis of ammonium metatungstate - Part 2: Determination of zinc content - Flame atomic absorption spectrometry 偏钨酸铵化学分析方法 第2部分：锌量的测定 火焰原子吸收光谱法 Standard Type GBT ICS 77.120.99 CCS H63 Status 现行 Issue Date 2009-03-19 Implementation 2010-01-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A