China 'GB/T 8151.3-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 8151.3-2012
Methods for chemical analysis of zinc concentrates - Part 3: Determination of iron content - Na2EDTA titrimetric method 锌精矿化学分析方法 第3部分:铁量的测定 Na2EDTA滴定法
Issued Date:2012-12-31
Implemented Date:2013-10-01
Issued by:
The Standardization Administration of the People's Republic of China