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XB/T 223-2009: Lanthanum fluoride
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Lanthanum fluoride
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XB/T 223-2009
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Basic data | Standard ID | XB/T 223-2009 (XB/T223-2009) | | Description (Translated English) | Lanthanum fluoride | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H65 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 7,736 | | Date of Issue | 2009-12-04 | | Date of Implementation | 2010-06-01 | | Quoted Standard | GB/T 8170; GB/T 12690; GB/T 14635; GB/T 18115.1 | | Regulation (derived from) | Engineering Division (2009) No. 66; Industry Standard Record Announcement No. 2 of 2010 (Total No. 122); Ministry of Industry and Information Technology Announcement No. 23 of 2017 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation and storage of lanthanum fluoride. This standard applies to lanthanum fluoride produced by chemical methods for the production of metal lanthanum. | XB/T 223-2009: Lanthanum fluoride---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Lanthanum fluoride
ICS 77.120.99
H65
Rare Earth Industry Standard of the People's Republic of China
XB/T 223-2009
Lanthanum fluoride
2009-12-04 released
Implementation of.2010-06-01
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Foreword
This standard was proposed and managed by the National Rare Earth Standardization Technical Committee.
The organization responsible for drafting this standard. Baotou Rare Earth Research Institute.
Participated in the drafting of this standard. Hunan Rare Earth Metal Materials Research Institute, Ganzhou Qiandong Rare Earth Group Co., Ltd.
The main drafters of this standard. Xie Ping, Xu Tao, Li Ruihong, Yu Yaqiao, Yin Zuping, Weng Guoqing, Yao Nanhong.
XB/T 223-2009
Lanthanum fluoride
1 scope
This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation and storage of lanthanum fluoride.
This standard applies to lanthanum fluoride produced by chemical methods for the production of metal lanthanum.
2 Normative references
The clauses in the following documents become clauses of this standard after being quoted. For dated reference documents, all subsequent
Amendments (not including errata content) or revisions do not apply to this standard. However, all parties that have reached an agreement based on this standard are encouraged to study
Is the latest version of these files available? For undated references, the latest version is applicable to this standard.
GB/T 8170 Numerical rounding rules and the expression and determination of limit values
GB/T 12690 Method for chemical analysis of non-rare earth impurities in rare earth metals and their oxides
GB/T 14635 Methods for chemical analysis of rare earth metals and their compounds Determination of total rare earth
GB/T 18115.1 Methods for chemical analysis of rare earth impurities in rare earth metals and their oxides Cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, lanthanum
Determination of the amount of dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium
3 requirements
3.1 Chemical composition
The chemical composition of the product should meet the requirements of Table 1.If the buyer has any special requirements, it shall be settled through negotiation between the supplier and the buyer.
Table 1
product
Grade
Chemical composition (mass fraction)/%
REO
not less than
La2O3/
REO
not less than
not less than
Impurity content, not more than
Rare earth impuritiesNon rare earth impurities
(Ce＋Pr＋Nd＋SM＋Y) 狓Ｏ狔/REO Fe2O3 SiO2 CaO MgO Al2O3 Cl-
012030 80 99.9 24 0.1 0.1 0.05 0.2 0.05 0.1 0.03
012025 80 99.5 24 0.5 0.1 0.1 0.3 0.1 0.1 0.03
012020 80 99.0 24 1.0 0.2 0.2 0.5 0.2 0.2 0.05
3.2 Appearance
3.2.1 The product is white powder.
3.2.2 The product should be clean and free of visible inclusions.
4 Test method
4.1 The analysis method of the total amount of rare earth oxides in the product is carried out in accordance with the provisions of GB/T 14635.
4.2 The analysis method of fluorine content in the product shall be carried out according to the supplier's current method.
4.3 The analysis method of the content of rare earth impurities in the product shall be carried out in accordance with the provisions of GB/T 18115.1.
4.4 The analysis method of the non-rare earth impurity content in the product shall be carried out in accordance with the provisions in GB/T 12690.
4.5 The rounding of values shall be carried out in accordance with the provisions of GB/T 8170.
4.6 The appearance of the product shall be inspected visually.
XB/T 223-2009
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