中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23594.1-2009
Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 1: Determination of total rare earth oxide content - Gravimetry 钐铕钆富集物化学分析方法 第1部分:稀土氧化物总量的测定 重量法
Issued Date:2009-04-23
Implemented Date:2010-02-01
Issued by:
The Standardization Administration of the People's Republic of China