China 'GB/T 12690.14-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12690.14-2006
Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals 稀土金属及其氧化物中非稀土杂质化学分析方法 钛量的测定
Issued Date:2006-04-13
Implemented Date:2006-10-01
Issued by:
The Standardization Administration of the People's Republic of China