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GB/T 12690.1-2002
GB/T 12690.1-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides—Determination of carbon and sulfur contents—High frequency-infrared absorption method
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 12690.1-2002 |
| CCS | Rare earth metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2003-06-01 |
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