GB/T 19395-2013Praseodymium metal (English PDF)
金属镨
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2013
Implementation date
October 1, 2014
Scope
GB/T 19395-2013 is the English-translated version of 金属镨.
GB/T 19395-2013 is the Chinese standard "Praseodymium metal". Its scope clause reads: This standard specifies the metal praseodymium requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate.
This standard applies to fluoride molten salt electrolysis system praseodymium oxide process for the production of metal praseodymium, magnetic materials and raw materials for hydrogen storage material and the like. Its clauses include requirements.
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Document preview — GB/T 19395-2013
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 65
- Replacing
- GB/T 19395-2003
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Chemical composition
1 Scope
This standard specifies the metal praseodymium requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate.
This standard applies to fluoride molten salt electrolysis system praseodymium oxide process for the production of metal praseodymium, magnetic materials and raw materials for hydrogen storage material and the like.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 repair value expressed about the rules and limit values and judgment
Chemical analysis methods GB/T 12690 (all parts), oxides of rare earth metals and rare earth impurities in Central Africa
Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total
GB/T 18115.3 rare earth metals and oxides of rare earth impurities in chemical analysis methods of lanthanum, cerium, neodymium, samarium, europium, rolling, terbium,
Dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium content
3 Requirements
3.1 Chemical composition
Chemical composition of the product shall comply with the requirements of Table 1. For parties of products with special requirements, can be negotiated to determine the supply and demand sides.
Table 1
Grade 034030 034025A 034025B 034020A 034020B
RE is not less than 99.5 99.5 99.5 99 99
Pr/RE is not less than 99.9 99.5 99.5 99 99
Rare earth impurities/RE 0.1 0.5 0.5 1 1
Fe 0.08 0.12 0.12 0.15 0.30
Si 0.03 0.03 0.05 0.05 0.05
Ca 0.01 0.01 0.01 0.02 0.03
Mg 0.01 0.01 0.01 0.02 0.03
Al 0.03 0.03 0.05 0.08 0.10
C 0.02 0.03 0.03 0.05 0.05
O 0.03 0.03 0.04 0.05 0.05
Mo W 0.03 0.04 0.05 0.05 0.05
Cl 0.01 0.01 0.01 0.03 0.03
S 0.01 0.01 0.01 0.01 0.02
P 0.02 0.02 0.03 0.05 0.05
Cd Pb Ni Cr Ti 0.02 0.03 0.03 0.04 0.05
NOTE. RE represents a rare earth element.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 19395
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 19395-2013 | Praseodymium metal | current edition | Current |
| GB/T 19395-2003 | Praseodymium metal | previous edition | Superseded |
This page sells the current edition, GB/T 19395-2013. Earlier editions are listed for reference only.
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