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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 12690.12-2024 |
Non-rare earth impurities in rare earth metals and their oxides - Chemical analysis methods - Part 12: Determination of thorium and uranium content - Inductively coupled plasma mass spectrometry {译} 稀土金属及其氧化物中非稀土杂质-化学分析方法-第12部分：钍、铀量的测定-电感耦合等离子体质谱法 |
China National Standards Determination thorium uranium |
 English PDF |
| GB 14883.7-2016 |
National Food Safety Standard-Radioactive material in foods - Determination of natural thorium and uranium 食品安全国家标准 食品中放射性物质天然钍和铀的测定 |
China National Standards Determination thorium uranium |
English PDF |
| GB 14883.7-1994 |
Examination of radioactive materials for foods--Determination of natural thorium and uranium 食品中放射性物质检验 天然钍和铀的测定 |
China National Standards Determination thorium uranium |
English PDF |
| GB/T 11848.11-1989 |
Determination of thorium in uranium ore concentrate by thorin photometric method 铀矿石浓缩物中钍的测定 钍试剂光度法 |
China National Standards Determination thorium uranium |
English PDF |
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