GB/T 14352.20-2021 standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 14352.20-2021

Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry

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The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 14352.20-2021
Standard Category	China National Standards
GB Standard English Title	Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry
GB Standard Chinese Title	钨矿石、钼矿石化学分析方法第20部分：铌、钽、锆、铪及15个稀土元素量的测定电感耦合等离子体质谱法
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