GB/T 42511-2023

Hardmetals—Determination of calcium,copper,iron,potassium,magnesium,manganese,sodium,nickel and zinc in cobalt metal powders—Flame atomic absorption spectrometric method

硬质合金 钴粉中钙、铜、铁、钾、镁、锰、钠、镍和锌含量的测定 火焰原子吸收光谱法