China 'GB/T 4324.18-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4324.18-2012
Methods for chemical analysis of tungsten - Part 18: Determination of potassium content - Flame atomic absorption spectrometry 钨化学分析方法 第18部分:钾量的测定 火焰原子吸收光谱法
Issued Date:2012-12-31
Implemented Date:2013-10-01
Issued by:
The Standardization Administration of the People's Republic of China