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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42274-2022 |
Determination of content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials Secondary ion mass spectrometry {译} 氮化铝材料中痕量元素（镁、镓）含量及分布的测定 二次离子质谱法 |
China National Standards Determination content distribution |
 English PDF |
| GB/T 26294-2010 |
Carbonaceous materials used in the production of aluminium - Cold-ramming paste - Determination of effective binder content and aggregate content by extraction with quinoline,and determination of aggregate size distribution 铝电解用炭素材料 冷捣糊中有效粘合剂含量、骨料含量及骨料粒度分布的测定 喹啉萃取法 |
China National Standards Determination content distribution |
English PDF |
| GB/T 21834-2008 |
Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method 中低合金钢 多元素成分分布的测定 金属原位统计分布分析法 |
China National Standards Determination content distribution |
English PDF |
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