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GB/T 12690.18-2017 Active
GB/T 12690.18-2017 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 18:Determination of zirconium content
Abstract
This part of GB/T 12690 specifies the determination method for the zirconium content in rare earth metals and their oxides. This part is applicable to the determination of zirconium content in rare earth metals and their oxides, and includes two methods: Method 1, inductively coupled plasma emission spectrometry; Method 2, inductively coupled plasma mass spectrometry. The determination range of Method 1 is >0.010% to 0.20%; the determination range of Method 2 is 0.000 5% to 0.010%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 12690.18-2017 |
| CCS | Analysis methods for rare metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2018-05-01 |
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