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GB/T 12690.17-2010 Active
GB/T 12690.17-2010 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides—Part 17:Determination of niobium and tantalum contents of rare earth metals
Abstract
The method 1 in GB/T 12690 specifies the determination method for the content of niobium and tantalum in a single rare earth metal.
Method 1 in this part is applicable to the determination of the content of niobium and tantalum in a single rare earth metal. The determination range is: niobium 0.010%~0.50%; tantalum 0.020%~0.50%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 12690.17-2010 |
| CCS | Analysis methods for rare metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2011-11-01 |
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