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GB/T 12690.5-2003
GB/T 12690.5-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method and Determination of Co、Mn、Pb、Ni、Cu、Zn、Al、Cr content by inductively coupled plasma mass spectrum method
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 12690.5-2003 |
| CCS | Rare earth metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2004-06-01 |
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