China 'GB/T 4324.7-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4324.7-2012
Methods for chemical analysis of tungsten - Part 7: Determination of cobalt content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第7部分:钴量的测定 电感耦合等离子体原子发射光谱法
Issued Date:2012-12-31
Implemented Date:2013-10-01
Issued by:
The Standardization Administration of the People's Republic of China