China 'YS/T 1462.4-2021
' Industry standard english version:
YS
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
YS/T 1462.4-2021
Methods for chemical analysis of crude tin - Part 4: Determination of bismuth content - Flame atomic absorption spectrometry and Na2EDTA titration{译} 粗锡化学分析方法 第4部分:铋含量的测定 火焰原子吸收光谱法和Na2EDTA滴定法
Issued Date:2021/12/2
Implemented Date:2022/4/1
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
YS/T 1462.4-2021
Standard Category
China Non-ferrous Metal Industry
Standards
GB Standard English Title
Methods for chemical analysis of crude tin - Part 4: Determination of bismuth content - Flame atomic absorption spectrometry and Na2EDTA titration{译}