China 'GB/T 26019-2010
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 26019-2010
Methods for chemical analysis of high impurity tungsten mineral - Determination of tungsten trioxide content - Twice separation and igniting gravimetric method 高杂质钨矿化学分析方法 三氧化钨量的测定 二次分离灼烧重量法
Issued Date:2011-01-10
Implemented Date:2011-10-01
Issued by:
The Standardization Administration of the People's Republic of China