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YS/T 1154-2016: Crude Selenium
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 1154-2016 | English | 149 |
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Crude Selenium
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YS/T 1154-2016
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PDF similar to YS/T 1154-2016
Standard similar to YS/T 1154-2016 GB/T 12963 YS/T 1109 YS/T 68 YS/T 43 Basic data | Standard ID | YS/T 1154-2016 (YS/T1154-2016) | | Description (Translated English) | Crude Selenium | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H81 | | Classification of International Standard | 77.150.99 | | Word Count Estimation | 5,536 | | Date of Issue | 2016-07-11 | | Date of Implementation | 2017-01-01 | | Regulation (derived from) | Ministry of Industry and Information Technology Bulletin (No. 37 of 2016); Industry Standard Record Announcement No. 11 of 2016 (No. 203) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the technical requirements, test methods, inspection rules and packaging, transportation, storage and marking of crude selenium. | YS/T 1154-2016: Crude Selenium---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.
Crude Selenium
ICS 77.150.99
H81
People's Republic of China non-ferrous metal industry standards
Crude selenium
2016-07-11 released
2017-01-01 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 proposed and managed by the National Nonferrous Metal Standardization Technical Committee (SAC/TC243).
The main drafting units of this standard. Tongling Nonferrous Metals Group Holdings Limited.
Participated in the drafting of this standard Daye Nonferrous Metals Co., Ltd., Guangdong Leading Co., Ltd., Zhongtiaoshan non-ferrous metals
Group Co., Ltd.
The main drafters of this standard. Bi Jianming, Wu Shijun, Jin Ziwen, Cheng Wensheng, Chen Zhigang, Peng Kang, Tu Lixin, Zhou Zhi, Zhu Liu, Liu Liu, Xu Xinqiang,
Hui Hui Ping.
Crude selenium
1 Scope
This standard specifies the crude selenium requirements, test methods, inspection rules, packaging, storage, quality certificate and purchase order (or contract) and so on.
This standard applies to copper, lead electrolytic anode slurry extracted crude selenium. This product is mainly used for refined selenium, selenium dioxide production of raw materials.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6679 General rules for sampling solid chemical products
GB/T 8170 rounded repair rules and limit values of the representation and judgment
YS/T 87 copper, lead electrolytic anode sample preparation method
YS/T 1084 (all parts) - Methods for chemical analysis of crude selenium
3 requirements
3.1 product classification
The content of crude selenium by selenium is divided into three grades. A product, two products and three products.
3.2 chemical composition
Crude selenium chemical composition should be consistent with the provisions of Table 1.
Table 1 crude selenium chemical composition
grade
Main component (mass fraction) /%
Se, not less than
First grade 90
Second grade 85
Three products 80
Note. Gold and silver are valuable elements, the results of the analysis should be reported.
3.3 moisture requirements
Moisture content of not more than 30%.
3.4 appearance quality
Light black or gray powder, there should be no visible inclusions.
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