China 'GB/T 6150.20-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 6150.20-2025
Chemical Analysis Methods for Tungsten Concentrates - Part 20: Determination of Mercury Content - Direct Determination by Solid Injection 钨精矿化学分析方法-第20部分:汞含量的测定-固体进样直接测定法
Issued Date:2025/1/24
Implemented Date:2025/8/1
Issued by:
The Standardization Administration of the People's Republic of China