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YS/T 452-2013 English PDF

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YS/T 452-2013: Lead and zinc bulk concentrate
Status: Valid

YS/T 452: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
YS/T 452-2013159 Add to Cart 3 days Lead and zinc bulk concentrate Valid
YS/T 452-2002239 Add to Cart 2 days Lead and zinc bulk concentrate Obsolete

Similar standards

YS/T 575.19   SN/T 3510   GB/T 8152.1   YS/T 319   YS/T 318   YS/T 301   

Basic data

Standard ID: YS/T 452-2013 (YS/T452-2013)
Description (Translated English): Lead and zinc bulk concentrate
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: D42
Classification of International Standard: 73.060
Word Count Estimation: 6,635
Older Standard (superseded by this standard): YS/T 452-2002
Quoted Standard: GB/T 8170; GB/T 14262; GB 20424; GB 20664; YS/T 461.1; YS/T 461.2; YS/T 461.3; YS/T 461.4; YS/T 461.5; YS/T 461.6; YS/T 461.7; YS/T 461.8; YS/T 461.9; YS/T 461.10
Regulation (derived from): Ministry of Industry and Information Technology Bulletin No. 52, 2013; industry standard for filing Notice No. 1 of 2014 (No. 169 overall)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the requirements for mixed lead and zinc concentrates, test methods, inspection rules, packaging and transport and contract (or order form) content. This standard applies to the mixed sulphide ores of lead and zinc concentrates by

YS/T 452-2013: Lead and zinc bulk concentrate

---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.
Lead and zinc bulk concentrate ICS 73.060 D42 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 452-2002 Lead and Zinc Concentrate Issued on. 2013-10-17 2014-03-01 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. Instead of the standard YS/T 452-2002 "mixed lead and zinc concentrates." Compared with YS/T 452-2002, the main changes are as follows. --- Increased mercury limit requirements; --- Increased natural radioactivity limit requirements; --- Three and four items from the product Cd content of not more than 0.35% and 0.40%, respectively, modified to not more than 0.40% and 0.50%; --- As four product content of not more than 0.45% by the modification of not more than 0.40%; --- SiO2 content is made not more than 4.5%, 5.0%, 5.5%, 6.0%, respectively, modified to not more than 4.0%, 4.5%, 5.0%, 5.5%; --- Fe content of from 5% to 14% revised to 6% to 15%; --- Removed Cu limited requirements; --- Modification of the test batch; --- Delete test items Terms of contents; --- Sample prepared by the three revised to four, the addition of a sample arbitration; arbitration relating to international trade while the retention time of the sample were Regulations; --- Determination of test results has been modified. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Shenzhen Lingnan Nonferrous Metals Corporation Limited. Participated in the drafting of this standard. Baiyin Nonferrous Metals Group Co., Ltd., Zhuzhou Smelter Group Co., Ltd., Shaanxi Dongling Smelting have Limited. The main drafters of this standard. Zhou Changqing, Luo Kun, Deng Yongjun, Fu Zhihong, Luo Sheng, Zhao Junfeng, Li Xiaowen, Tan Yi-Wen, Luoming Ke, Zhao Xingwei. This standard replaces the standards previously issued as follows. --- YS/T 452-2002. Lead and Zinc Concentrate

1 Scope

This standard specifies the mixing of lead and zinc concentrate requirements, test methods, inspection rules, packaging and transport and contract (or purchase order) content. This standard applies to the mixed sulphide ore flotation of lead and zinc concentrates obtained, also apply to other methods selected to be a mixture of lead and zinc concentrates.

2 Normative references

The following documents for the application of this document is essential. For 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 GB/T 14262 flotation lead concentrates in bulk sampling and sample preparation method GB 20424 heavy metal concentrate product specification limits of harmful elements GB 20664 non-ferrous minerals natural radioactivity limits YS/T 461 (all parts) mixing chemical analysis of lead and zinc concentrates

3 Requirements

3.1 Categories Lead and Zinc concentrate is divided into four grades according to chemical composition. a product, two products, three products, four products. 3.2 Chemical composition 3.2.1 Lead and Zinc concentrate chemical composition shall comply with the requirements in Table 1. Table 1 chemical composition Lead and Zinc Concentrate grade Master grade mass fraction /%, no less than the impurity mass fraction /%, not more than Pb Zn Zn Pb S Fe As Cd SiO2 First Grade 153 655 Second Grade 153 450 Three products 153 248 Four products 142 845 25 ~ 326 ~ 15 0.30 0.20 4.0 0.35 0.30 4.5 0.40 0.40 5.0 0.40 0.50 5.5 3.2.2 Lead and Zinc concentrate gold, silver as valuable elements shall be submitted to the analysis results. 3.2.3 Lead and Zinc concentrate mercury content should meet the requirements of GB 20424. 3.2.4 Lead and Zinc concentrate the natural radioactivity limits shall comply with the provisions of GB 20664. 3.2.5 the same batch of mixed lead and zinc concentrates should be mixed, Pb Zn main quality difference should not exceed 3%. 3.3 Water Lead and Zinc concentrate moisture should be less than 12%, the winter should not exceed 8%.
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