GB/T 5240-2015Neodymium oxide (English PDF)
氧化钕
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 11, 2015
Implementation date
April 1, 2016
Scope
GB/T 5240-2015 is the English-translated version of 氧化钕.
GB/T 5240-2015 is the Chinese standard "Neodymium oxide". Its scope clause reads: This standard specifies the requirements of neodymium oxide, test methods, inspection rules and packaging, labeling, transportation, storage and quality certificate.
This standard applies to the extraction of neodymium oxide or other means prepared for the production of magnetic materials and laser materials, capacitors, Glass, ceramics and other additives. Its clauses include requirements.
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Document preview — GB/T 5240-2015
National Standard of the People's Republic of China
- ICS
- 77.120.99
- Classification
- H 65
- Replacing
- GB/T 5240-2006
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Categories
- 3.2 Chemical composition
1 Scope
This standard specifies the requirements of neodymium oxide, test methods, inspection rules and packaging, labeling, transportation, storage and quality certificate.
This standard applies to the extraction of neodymium oxide or other means prepared for the production of magnetic materials and laser materials, capacitors,
Glass, ceramics and other additives.
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
GB/T 12690 (all parts), oxides of rare earth metals and their chemical impurity analysis of Central Africa
Determination of GB/T 14635 method for chemical analysis of rare earth metals and rare earth compound total
GB/T 17803 grades representation of rare earth products
GB/T 18115.4 rare earth metals and their oxides of lanthanum, neodymium impurity analysis method, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium,
Determination of erbium, thulium, ytterbium, lutetium and yttrium content
3 Requirements
3.1 Categories
Product by chemical composition into Nd2O3-4N5, Nd2O3-4N, Nd2O3-3N5, Nd2O3-3N, Nd2O3-2N5, Nd2O3-2N six
Grades, product grades representation shall comply with GB/T 17803 of.
3.2 Chemical composition
Chemical composition of the product shall comply with the provisions in Table 1. If you have special requirements of the demand side, both supply and demand can be a separate agreement.
Table 1 product
Trademark
Character grade Nd2O3-4N5 Nd2O3-4N Nd2O3-3N5 Nd2O3-3N Nd2O3-2N5 Nd2O3-2N
Corresponding to the original digital brands 041 045 041 040 041 035 041 030 041 025 041 020
Chemistry ingredient (quality fraction)
/%
REO, not less than 99.0 99.0 99.0 99.0 99.0 99.0
Nd2O3/REO, not less than 99.995 99.99 99.95 99.9 99.5 99.0
Nd2O3, not less than Balance Balance Balance Balance Balance Balance
La2O3 0.0005 0.001 0.003 0.005 0.02 0.10
CeO2 0.0005 0.001 0.005 0.01 0.05 0.10
Pr6O11 0.002 0.003 0.03 0.05 0.30 0.50
Sm2O3 0.001 0.003 0.01 0.02 0.03 0.03 other
Rare earths
Impurity
Single impurity
0.0001,
Combined amount
0.001
Combined amount
0.002
Combined amount
0.002
Combined amount
0.015
Combined amount
0.10
Combined amount
0.27 […]
......
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 5240
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5240-2015 | Neodymium oxide | current edition | Current |
| GB/T 5240-2006 | Neodymium oxide | previous edition | Superseded |
This page sells the current edition, GB/T 5240-2015. Earlier editions are listed for reference only.
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