China 'GB/T 23274.4-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23274.4-2009
Methods for chemical analysis of stannic oxide - Part 4: Determination of lead and copper content - Flame atomic absorption spectrometric method 二氧化锡化学分析方法 第4部分:铅、铜量的测定 火焰原子吸收光谱法
Issued Date:2009-01-05
Implemented Date:2009-11-01
Issued by:
The Standardization Administration of the People's Republic of China