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See Chinese contents: GB/T 20892-2020 GB/T 20892-2020: Praseodymium-neodymium metal
This Standard specifies the technical requirements, test methods, inspection rules, marks, packaging, transportation, storage and quality certificates of praseodymium neodymium metal. This Standard applies to the praseodymium-neodymium metal, that uses praseodymium neodymium oxide as the raw material, is produced by the molten salt electrolysis method and is used as magnetic materials.
