China 'GB/T 23273.4-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23273.4-2009
Methods for chemical analysis of cobalt oxalate - Part 4: Determination of silicon content - Molybdenum blue spectrophotometry 草酸钴化学分析方法 第4部分:硅量的测定 钼蓝分光光度法
Issued Date:2009-01-05
Implemented Date:2009-11-01
Issued by:
The Standardization Administration of the People's Republic of China