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| International Standard Category: Other non-ferrous metals and their alloys |
XB/T 612.1-2009 Chemical analysis methods of scraps of neodymium iron boron - Part 1: Determination of total rare earth oxides content - Gravimetry
钕铁硼废料化学分析方法 稀土总量的测定 重量法 ;
| Category No.: | 77.120.99 | Valid Status: | superseded |
| Issued Organization: | MIIT | Issued Date: | 2009-12-4 |
| Implemented Date: | 2010-6-1 | Abolished Date: | |
| Superseded Standard.: | XB/T 612.1-2019 |
Superseded Date: | 2020-1-1 |
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