GB/T 20892-2020
Praseodymium-neodymium metal
- Standard No.
- GB/T 20892-2020
- Language
- Chinese
- Release Date
- 2020
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Lastest
- GB/T 20892-2020
- Replace
- GB/T 20892-2007
- Scope
- This standard specifies the technical requirements, test methods, inspection rules, signs, packaging, transportation, storage and quality certificates of distorted metals. This standard is applicable to the aluminum oxides produced by the cooking salt electrolysis method, which are used as magnetic materials, etc.
GB/T 20892-2020 Referenced Document
- GB/T 14635 Rare earth metals and their compounds—Determination of total rare earth content
- GB/T 26417 Chemical analysis methods of praseodymium-neodymium alloy and the compounds.Determination of REO relative contents
- GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 20892-2020 history
- 2020 GB/T 20892-2020 Praseodymium-neodymium metal
- 2007 GB/T 20892-2007 Praseodymium-Neodymium alloy