GB/T 20255.4-2006

Methods for chemical analysis of hardmetals - Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium contents - Flame atomic absorption spectrometric method

硬质合金化学分析方法 钴、铁、锰、钼、镍、钛和钒量的测定 火焰原子吸收光谱法