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| International Standard Category: Cadmium, cobalt and their alloys |
YS/T 520.9-2007 Chemical analysis of gallium Part 9 Determination of germanium content The phenyl fluorone-polyethylene glycol octyl phenyl ether extraction spectrophotometric method
镓化学分析方法 第9部分 锗含量的测定 苯基荧光酮-聚乙二醇辛基苯基醚萃取分光光度法;
| Category No.: | 77.120.70 | Valid Status: | valid |
| Issued Organization: | MIIT | Issued Date: | 2007-11-14 |
| Implemented Date: | 2008-5-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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