Home / Standards / GB/T 20255.5-2006 GB/T 20255.5-2006 Active Methods for chemical analysis of hardmetals - Determination of chromium content - Flame atomic absorption spectrometric method 硬质合金化学分析方法 铬量的测定 火焰原子吸收光谱法 Standard Type GBT ICS 77.040.30 CCS H16 Status 现行 Issue Date 2006-05-08 Implementation 2006-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A