GB/T 20899.2-2019
China national
standard english version:
GB
中华人民共和国国家标准
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