China 'GB/T 20899.2-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20899.2-2019
Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method 金矿石化学分析方法 第2部分:银量的测定 火焰原子吸收光谱法
Issued Date:2019
Implemented Date:
Issued by:
The Standardization Administration of the People's Republic of China