稀土金属及其氧化物中非稀土杂质化学分析方法　第12部分：钍、铀量的测定　电感耦合等离子体质谱法

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12:Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method

标准介绍

This document describes the method of determination for thorium and uranium contents in rare earth metals and their oxides.
This document is applicable to the determination of thorium and uranium contents in rare earth metals and their oxides.Determination range(Mass fraction):Thorium content:0.000 05% to 0.020%; uranium content:0.000 05% to 0.020%.

提出部门

SAC/TC 229 National Rare Earth Standardization Technical Committee.

发布部门

State Administration for Market Regulation and National Standardization Administration