YS/T 358.6-2011
钽铁、铌铁精矿化学分析方法 .第6部分:氧化钍量的测定.电感耦合等离子体发射光谱法
Methods for chemical analysis of tantalite,columbite concentrate.Part 6:Determination of thorium oxide content.Inductively coupled plasma atomic emission spectrometry
YST358.6-2011, YS358.6-2011