China 'GB/T 8152.14-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 8152.14-2019
Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry 铅精矿化学分析方法 第14部分:二氧化硅含量的测定 钼蓝分光光度法
Issued Date:2019
Implemented Date:
Issued by:
The Standardization Administration of the People's Republic of China