Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
YS/T 1559-2022 |
High Purity Hafnium Oxide {译} 高纯氧化铪 |
China Non-ferrous Metal Industry
Standards High Purity Hafnium |
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YS/T 1347-2020 |
Methods for chemical analysis of high-purity hafnium-Determination of trace impurity elements-Glow discharge mass spectrometry {译} 高纯铪化学分析方法 痕量杂质元素含量的测定 辉光放电质谱法 |
China Non-ferrous Metal Industry
Standards High Purity Hafnium |
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