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YS/T 433-2016 English PDF

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YS/T 433-2016: Silver concentrate

YS/T 433: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 433-2016English209 Add to Cart 3 days [Need to translate] Silver concentrate   YS/T 433-2016
YS/T 433-2001English199 Add to Cart 2 days [Need to translate] Silver concentrate Obsolete YS/T 433-2001

PDF similar to YS/T 433-2016


Standard similar to YS/T 433-2016

GB/T 20899.1   YS/T 231   YS/T 254.1   YS/T 3043   YS/T 3040   YS/T 3039   

Basic data

Standard ID YS/T 433-2016 (YS/T433-2016)
Description (Translated English) Silver concentrate
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard D46
Classification of International Standard 73.060
Word Count Estimation 6,631
Date of Issue 2016-07-11
Date of Implementation 2017-01-01
Older Standard (superseded by this standard) YS/T 433-2001
Regulation (derived from) Notice of the Ministry of Industry and Information Technology (2016 No. 37)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality forecast and contract (or purchase order) of silver concentrate.

YS/T 433-2016: Silver 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.
Silver concentrate ICS 73.060 D46 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 433-2001 Silver concentrate 2016-07-11 released 2017-01-01 Implementation Issued by the Ministry of Industry and Information Technology of the People's Republic of China

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces YS/T 433-2001 "Silver Concentrate". This standard compared with YS/T 433-2001, the main changes are as follows. --- increase the product classification, according to the different grades of silver concentrate, divided into three grades; - silver in the silver concentrate from the original not less than 3000g/t reduced to not less than 2500g/t; --- delete the original standard "process" classification restrictions; --- remove the lead, zinc, copper, bismuth, magnesium oxide, silica, aluminum oxide and other impurity elements of the limited requirements; The limit of arsenic is reduced from the original 0.4% to 2.5% - increased natural radioactive limits for non-ferrous metal minerals; --- Sampling method changed from YS/T 96 to GB/T 14263; --- increase the 800kg and other forms of silver and other bags of specific sampling requirements; --- delete the "inspection lot is not greater than 60t" limit; --- increase the appearance of the product quality inspection methods; To increase the number of samples from the original three to four; --- increase the arbitration results and test results appear to determine the deviation of the method. This standard is proposed by the National Committee for Standardization of Nonferrous Metals (SAC/TC243). The drafting of this standard. Silver Nonferrous Metals Group Co., Ltd., Jinchuan Group Co., Ltd., Nonferrous Metals Technology and Economic Research Institute, Shandong Hengbang Smelting Co., Ltd. The main drafters of this standard. Wang Dongzhen, Xu Jian, Xiang Lei, Ma Yutian, Sun Fuhong, Yan Wenbin, Liu Qianbang, Zhang Desuxiu, Zhao Jijian, Wu Yahui, Li Yulin, Wen Zhanjie, Guo Zelin, Zhang Junfeng, Zhang Yanfeng, Wei Wenhui. This standard replaced the previous version of the standard release. --- YS/T 433-2001. Silver concentrate

1 Scope

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage, quality forecasts and contracts (or Order form) content. This standard applies to the silver concentrate produced by the flotation method.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170 GB/T 14263 Bulk flotation copper concentrate sampling, sample preparation method GB 6864 Natural radioactive limits for non-ferrous metal minerals YS/T 418 Nonferrous metal concentrate product packaging, marking, transportation and storage YS/T 445 (all parts) Silver concentrate chemical analysis method

3 request

3.1 Product Classification Silver concentrate by chemical composition is divided into a grade, two products, three products. 3.2 Chemical composition The chemical composition of silver concentrate should meet the requirements of Table 1. Table 1 Chemical composition of silver concentrate grade chemical composition Ag/(g/t), not less than As (mass fraction) /%, not more than First grade 7500 2.50 Second grade 5000 2.50 Third grade 2500 2.50 Note. the demand side due to different process, the silver ore containing the price elements, impurity elements, the main grade of the existence of silver and other special requirements, by the supply and demand Negotiated. 3.3 The natural radioactive limits of silver concentrates shall comply with the provisions of GB 20664. 3.4 The amount of water (mass fraction) in silver concentrate should be no more than 12%. 3.5 silver concentrate should not be mixed with foreign debris. The same batch of silver concentrate should be mixed, the color should be consistent.

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Question 5: Should I purchase the latest version YS/T 433-2016?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 433-2016 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.