GB/T 23594.2-2009
钐铕钆富集物化学分析方法.第2部分:十五个稀土元素氧化物配分量的测定.电感耦合等离子发射光谱法
Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates.Part 2:Determination of fifteen rare earth oxide relative contents.Inductively coupled plasma emission spectrometry