China 'GB/T 4324.27-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4324.27-2012
Methods for chemical analysis of tungsten - Part 27::Determination of carbon content - High frequency combustion-infrared absorption method 钨化学分析方法 第27部分:碳量的测定 高频燃烧红外吸收法
Issued Date:2012-12-31
Implemented Date:2013-10-01
Issued by:
The Standardization Administration of the People's Republic of China