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YS/T 838-2012 English PDF

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YS/T 838-2012: Cadmium telluride
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PDF similar to YS/T 838-2012


Standard similar to YS/T 838-2012

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Basic data

Standard ID YS/T 838-2012 (YS/T838-2012)
Description (Translated English) Cadmium telluride
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H80
Classification of International Standard 29.045
Word Count Estimation 12,127
Quoted Standard GB/T 8170-2008; GB 50073-2001; YS/T 227.9
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 cry of the blessing of the technical requirements, test methods, inspection rules, packaging, labeling, transportation, storage, quality certificates, purchase order (or contract) content and safety tips. This standard is based

YS/T 838-2012: Cadmium telluride

---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.
Cadmium telluride ICS 29.045 H80 People's Republic of China Nonferrous Metals Industry Standard Cadmium telluride Cadmiumteluride 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 was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Guangdong pilot dilute Materials Co., Ltd., Yanggu Yoshimitsu Copper Limited. The main drafters of this standard. Zhu Liu, Zhu Chan Fang, Pan Weijun, Zhou Songlin, Chen Yingwu, Zhang, and Li Jianhua. Cadmium telluride

1 Scope

This standard specifies the cadmium telluride technical requirements, test methods, inspection rules, packaging, labeling, transportation, storage, quality certificates, orders (Or contract) content and safety tips. This standard corresponds cadmium telluride is 5N 5N tellurium and cadmium as raw materials in high-temperature synthesis technology made the products are mainly used in infrared And visible light emitting device materials.

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 all repair orders) applies to this document. GB/T 8170-2008 revised value represents about rules and limit values and judgment GB 50073-2001 clean plant design specifications YS/T 227.9 tellurium chemical analysis - Part 9. Determination of tellurium content of potassium dichromate - ammonium ferrous sulfate volumetric method

3 Requirements

Grade 3.1 Cadmium telluride by the chemical composition of a sub-grade. CdTe99.999. 3.2 Chemical composition Chemical composition 3.2.1 cadmium telluride should meet the requirements of Table 1. Table 1 chemical composition of cadmium telluride Chemical Composition (mass fraction) /% CdTe99.999 CdTe content, not less than Impurity content of not more than 99.999 Na Mg Fe Ni Cu Al Ca Sn 0.0001 0.0001 0.0001 0.0001 0.00005 0.00005 0.00005 0.00005 Pb Cr Bi Sb Zn Ag sum Se 0.0001 0.00005 0.0001 0.00005 0.0001 0.00002 0.0002 0.001 NOTE. CdTe99.999 grades of cadmium telluride content of the balance 100% minus the sum of impurity elements listed in the table measured. And determining the value after rounding 3.2.2 Cadmium telluride impurity bottom value rounding respectively GB/T 8170-2008 4.3.3 in Chapter 3 and The provisions. 3.3 appearance quality 3.3.1 This product is a brown-black, debris or powder form.

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