China 'GB/T 4324.12-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4324.12-2012
Methods for chemical analysis of tungsten - Part 12: Determination of silicon content - Chlorization-molybdenum blue spectrophotometry 钨化学分析方法 第12部分:硅量的测定 氯化-钼蓝分光光度法
Issued Date:2012-12-31
Implemented Date:2013-10-01
Issued by:
The Standardization Administration of the People's Republic of China