China 'YS/T 273.4-2020
' 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 273.4-2020
Methods for chemical analysis and determination of physical properties of cryolite - Part 4: Determination of aluminum content - EDTA titration method 冰晶石化学分析方法和物理性能测定方法 第4部分:铝含量的测定 EDTA滴定法
Issued Date:2020/12/9
Implemented Date:2021/4/1
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
YS/T 273.4-2020
Standard Category
China Non-ferrous Metal Industry
Standards
GB Standard English Title
Methods for chemical analysis and determination of physical properties of cryolite - Part 4: Determination of aluminum content - EDTA titration method