China 'GB/T 20975.9-2020
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20975.9-2020
Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry 铝及铝合金化学分析方法 第9部分:锂含量的测定 火焰原子吸收光谱法
Issued Date:2020-06-02
Implemented Date:2021-04-01
Issued by:
The Standardization Administration of the People's Republic of China