Methods for chemical analysis of aluminium and aluminium alloys—Part 24:Determination of total rare earth content
全国有色金属标准化技术委员会(SAC/TC 243)
GB/T 20975的本部分规定了三溴偶氮胂分光光度法和草酸盐重量法测定铝及铝合金中铈组稀土元素总含量。
本部分适用于铝及铝合金中铈组稀土元素总含量的仲裁测定。三溴偶氮胂分光光度法测定范围:0.001 0%~2.50%；草酸盐重量法测定范围:1.50%～16.00%。
铈组稀土元素总含量＞1.50%～2.50%时，采用草酸盐重量法作为仲裁方法。
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you have successfully purchased, please go to the plug-in category of the store and download the free plug-in installation package.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
