稀土硅铁合金及镁硅铁合金化学分析方法　第1部分：稀土总量、十五个稀土元素含量的测定

Chemical analysis methods of silicon-based composite rare earth ferroalloy and RE-Mg ferro-silicon alloy—Part 1:Determination of total rare earth and fifteen rare earth elements contents

标准介绍

This document describes the methods for determination of total rare earth and fifteen rare earth elements contents in silicon-based composite rare earth ferroalloy and RE-Mg ferro-silicon alloy.
This document is applicable to the determination of total rare earth and fifteen rare earth elements contents in silicon-based composite rare earth ferroalloy and RE-Mg ferro-silicon alloy,including inductively coupled plasma atomic emission spectrometry(Method 1)and EDTA titration method(Method 2).The determination range of method 1 is shown in Table 1.The determination range of method 2 is shown in Table 2.

提出部门

SAC/TC 229 National Standardization Technical Committee of Rare Earth.

发布部门

State Administration for Market Regulation of the People's Republic of China and National Standardization Administration