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YS/T 818-2012 English PDF

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YS/T 818-2012: High purity bismuth
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Basic data

Standard ID YS/T 818-2012 (YS/T818-2012)
Description (Translated English) High purity bismuth
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H62
Classification of International Standard 77.150.99
Word Count Estimation 7,789
Quoted Standard GB/T 8170
Regulation (derived from) Ministry of Industry and Information Technology Bulletin No. 55 of 2012; industry standard filing Notice 2013 No. 1 (No. 157 overall)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the purity secret technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates and contracts (or orders) content. This standard applies to electrolytic refining and zone

YS/T 818-2012: High purity bismuth

---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 bismuth ICS 77.150.99 H62 People's Republic of China Nonferrous Metals Industry Standard High-purity bismuth Issued on. 2012-11-07 2013-03-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard is in accordance with GB/T 1.1-2009 rules drafted. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Guangdong pilot dilute Materials Co., Ltd., Dongfang Electric Group Co., Ltd. Emei Semiconductor Materials. The main drafters of this standard. Zhu Liu, Pan Weijun, Zhu Chan Fang, Yang Weidong, Zhanke, once winter seedlings. High-purity bismuth

1 Scope

This standard specifies the technical requirements, test methods, inspection rules of high purity bismuth, signs, packaging, transportation, storage, quality certificates and contracts (Or orders) content. This standard applies to the electrolytic refining zone melting and production of high-purity bismuth, the products are mainly used for the preparation of a compound semiconductor, high purity alloy, The thermoelectric conversion material as well as nuclear reactor cooling carrier.

2 Normative references

The following documents for the application of this document is essential, 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

3 Requirements

3.1 Categories High-purity bismuth by the chemical composition of stars Bi99.9999, Bi99.999 two grades. 3.2 Chemical composition Chemical composition of high purity bismuth should meet the requirements in Table 1. Table 1 Chemical composition of high purity bismuth% Trademark Bi content not less than Impurity content of not more than Cu Ag Mg Ni Zn Au Fe Cd Bi99.9999 99.9999 0.00001 0.00001 0.000005 0.00001 0.00001 0.000005 0.00001 0.00001 Bi99.999 99.999 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 Trademark Bi content not less than Cr As Al Pb Sn sum Bi99.9999 99.9999 0.000005 0.00001 0.00001 0.00001 0.000005 0.0001 Bi99.999 99.999 0.0001 0.0001 0.0001 0.0001 0.0001 0.001 Note. The grades of bismuth content of the balance 100% minus the sum of impurity elements listed in the table measured. 3.3 Physical Requirements 3.3.1 Products to needle bismuth, bismuth ingot, bismuth block, bismuth and bismuth powder grain supply. 3.3.2 High-purity bismuth needle length, bismuth ingot mold and the weight, bulk weight bismuth, bismuth powder particle size and particle size bismuth agreed by both parties.

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