China 'GB/T 18114.7-2010
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18114.7-2010
Chemical analysis methods of rare earth concentrates - Part 7:Determination of iron oxide content - Potassium dichromate titration 稀土精矿化学分析方法 第7部分:氧化铁量的测定 重铬酸钾滴定法
Issued Date:2011-01-14
Implemented Date:2011-11-01
Issued by:
The Standardization Administration of the People's Republic of China