中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20899.14-2017
Methods for chemical analysis of gold ores-Part 14: Determination of thallium content - Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry 金矿石化学分析方法 第14部分:铊量的测定 电感耦合等离子体原子发射光谱法和电感耦合等离子体质谱法
Issued Date:2017-09-29
Implemented Date:2018-08-01
Issued by:
The Standardization Administration of the People's Republic of China