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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 34176-2017 |
Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral photometric method with 1,10-phenanthroline 邻二氮杂菲分光光度法测定耐火材料中的二价和三价铁离子化学分析方法 |
China National Standards Determination the spectral |
 English PDF |
| GB/Z 26209-2010 |
Determination of the spectral responsivity of optical radiation detectors 光辐射探测器光谱响应的确定方法 |
China National Standards Determination the spectral |
English PDF |
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