China 'GB/T 12690.19-2018
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12690.19-2018
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents 稀土金属及其氧化物中非稀土杂质化学分析方法 第19部分:砷、汞量的测定
Issued Date:2018
Implemented Date:2018
Issued by:
The Standardization Administration of the People's Republic of China
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