Home / Standards / GB/T 23278.4-2009 GB/T 23278.4-2009 Active Methods for chemical analysis of sodium stannate - Part 4: Determination of lead content - Flame atomic absorption spectrometry 锡酸钠化学分析方法 第4部分：铅量的测定 原子吸收光谱法 Standard Type GBT ICS 71.040.40 CCS G10 Status 现行 Issue Date 2009-01-05 Implementation 2009-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A