China 'GB/T 3884.7-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3884.7-2012
Methods for chemical analysis of copper concentrates - Part 7: Determination of lead content - Na2EDTA titration method 铜精矿化学分析方法 第7部分:铅量的测定 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