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XB/T 301-2019: (High purity metal)
Status: Valid XB/T 301: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| XB/T 301-2019 | English | 139 |
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3 days [Need to translate]
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(High purity metal)
| Valid |
XB/T 301-2019
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| XB/T 301-2013 | English | 239 |
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3 days [Need to translate]
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High purity dysprosium
| Obsolete |
XB/T 301-2013
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PDF similar to XB/T 301-2019
Basic data | Standard ID | XB/T 301-2019 (XB/T301-2019) | | Description (Translated English) | (High purity metal) | | Sector / Industry | Rare Earth Metal Industry Standard (Recommended) | | Classification of Chinese Standard | H65 | | Word Count Estimation | 6,648 | | Date of Issue | 2019-08-02 | | Date of Implementation | 2020-01-01 | | Older Standard (superseded by this standard) | XB/T 301-2013 | | Regulation (derived from) | Natural Resources Department Announcement No. 7 of 2019 | | Issuing agency(ies) | Ministry of Industry and Information Technology | XB/T 301-2013: High purity dysprosium---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.
High purity dysprosium
ICS 77.120.99
H65
China's rare earth industry standards
High purity metal
Released on.2013-04-25
2013-09-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is under the jurisdiction of the National Rare Earth Standardization Technical Committee (SAC/TC229).
This standard is drafted by. Rare Earth New Materials Co., Ltd.
Participated in the drafting of this standard. Zhangzhou Jidong Rare Earth Group Co., Ltd., Jiangxi Jinshi New Material Co., Ltd., Zhangzhou Chen
Light Rare Earth New Materials Co., Ltd.
The main drafters of this standard. Yan Wenzhou, Chen Dehong, Li Zong'an, Pang Siming, Yuan Ping, Chen Xiaohong, Yao Nanhong, Chen Yan.
High purity metal
1 Scope
This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates of high purity metal antimony.
This standard applies to high purity metal bismuth produced by direct reduction method, intermediate alloy method and vacuum distillation method, mainly used for the production of high performance 镝
Lamp, high performance neodymium iron magnetostrictive alloy, magneto-optical recording material, etc.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values
GB/T 12690 (all parts) Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides
GB/T 18115.9 Chemical analysis method for rare earth impurities in rare earth metals and their oxides 镝中镧,铈,镨,钕,钐,铕,钆,
Determination of 铽, 钬, 铒, 铥, 镱, 镥 and 钇
3 requirements
3.1 Chemical composition
3.1.1 The product brand representation method is.
The first level, → indicates rare earth 镝 products
The second level, → indicates the smelting products
→ indicates high purity metal products
XX
→ indicates the absolute purity of high purity metals
A (or B, C)
For products with the same absolute purity but different relative purity, add A, B, etc.
→ character to distinguish
Example. 1040H35 is expressed as a high purity metal ruthenium having an absolute purity of 99.95%.
3.1.2 The product grade and chemical composition shall comply with the requirements of Table 1. If the supplier has special requirements for the product, the supplier and the buyer may negotiate separately.
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