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YS/T 674-2008: 4N Stibium
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 674-2008 | English | 169 |
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4N Stibium
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YS/T 674-2008
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Basic data | Standard ID | YS/T 674-2008 (YS/T674-2008) | | Description (Translated English) | 4N Stibium | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H62 | | Classification of International Standard | 77.150.99 | | Word Count Estimation | 6,614 | | Date of Issue | 2008-03-12 | | Date of Implementation | 2008-09-01 | | Quoted Standard | GB/T 1250; GB/T 3253; GB/T 8170 | | Regulation (derived from) | NDRC Notice No. 25 of 2008 | | Issuing agency(ies) | National Development and Reform Commission | | Summary | This standard specifies the requirements 4N antimony products, test methods, inspection rules, packaging, labeling, transportation and storage. This standard applies to more than 98. 5% of antimony raw materials, intermediate alkaline volatile melting, vacuum distillation and the obtained purity of not less than 99. 99% of the metal antimony. This product is mainly used for the preparation thermoelectric devices, alloy and ultra pure and ultra pure antimony raw materials. | YS/T 674-2008: 4N Stibium---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.
4N Stibium
ICS 77.150.99
H62
People's Republic of China Nonferrous Metals Industry Standard
4N antimony
Posted 2008-03-12
2008-09-01 implementation
National Development and Reform Commission issued
Foreword
This standard by the National Standardization Technical Committee of non-ferrous metals and centralized.
This standard by the Sichuan Xin Ju Mineral Resources Development Co., Ltd. is responsible for drafting.
The main drafters of this standard. keep Bingsheng, Liu Peiyan, Shou Chuan, Hou Liwei, He Zhifei, Wang Dingchun.
4N antimony
1 Scope
This standard specifies the requirements 4N antimony products, test methods, inspection rules, packaging, labeling, transportation and storage.
This standard applies to more than 98.5% of the antimony-containing raw material, intermediate frequency alkaline volatile melting, vacuum distillation and the obtained purity is not small
To 99.99% of the metal antimony. This product is mainly used for the preparation of a thermoelectric device, alloy and ultra-pure and ultra-pure antimony raw materials.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
Representation GB/T 1250 limit values and the method of determining
GB/T 3253 (all parts), chemical analysis of antimony
GB/T 8170 digital rounding rules
3 Requirements
3.1 Chemical composition
4N antimony chemical composition shall comply with the requirements in Table 1.
Table 1 4N antimony chemical composition
Trademark
Chemical composition (mass fraction) /%
Sb, not less than
Impurity content of not more than
Cu Ag Mg Ni Zn Bi
Sb-4N 99.99 0.0002 0.0001 0.0002 0.0001 0.0002 0.0025
Trademark
Chemical composition (mass fraction) /%
Impurity content of not more than
Mn Fe Cd As Pb Si
Sb-4N 0.0001 0.0002 0.0002 0.0025 0.0025 0.0006
Antimony content of 3.2 (mass fraction) is 100% minus the impurities listed in Table 1, the sum of the actual margin.
3.3 appearance quality
4N antimony irregular lumps or granular, silvery white, the surface clean, no slag, no oxidation stain and shrinkage.
3.4 Users of the product are subject to special requirements, negotiated by the supply and demand sides.
Test Method 4
Analysis of the chemical composition of arbitration according to the provisions of antimony 4.1 GB/T 3253 progresses, or by both parties through consultation.
4.2 Appearance quality by visual inspection of antimony.
5 Inspection Rules
5.1 inspection and acceptance
5.1.1 Products should be for the quality supervision and inspection departments to ensure that products meet this standard or purchase order (or contract) regulations. And fill
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