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YS/T 279-2011 PDF English

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YS/T 279-2011: Sodium dithiophosphate 25
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YS/T 279: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
YS/T 279-2011English259 Add to Cart 3 days [Need to translate] Sodium dithiophosphate 25
YS/T 279-1994English199 Add to Cart 2 days [Need to translate] Sodium dithiophosphate 25

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Basic data

Standard ID YS/T 279-2011 (YS/T279-2011)
Description (Translated English) Sodium dithiophosphate 25
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H34
Classification of International Standard 71.100.40
Word Count Estimation 10,197
Date of Issue 2011-12-20
Date of Implementation 2012-07-01
Older Standard (superseded by this standard) YS/T 279-1994
Quoted Standard GB/T 325; GB/T 6680; GB/T 13508; GB/T 19161; SN/T 0271
Regulation (derived from) ?MIIT Announcement 2011 No.43
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the 25th black drug sodium requirements, test methods, inspection rules and packaging, signs, transport, storage and contract (or order form) content. This standard applies to the three mixed cresol and phosphorus pentasulfide was synthesized from the 25th black powder, and then an aqueous solution of caustic soda into sodium and soluble products, the products are mainly used for non-ferrous and precious metals such as gold and silver mineral flotation closing agent.

YS/T 279-2011: Sodium dithiophosphate 25

---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.
Sodium dithiophosphate 25 ICS 71.100.40 H34 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 279-1994 Sodium 25 aerofloat Issued on. 2011-12-20 2012-07-01 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 279-1994 "25 sodium black medicine", compared with the YS/T 279-1994, the main changes are as follows. --- The standard of editorial changes; --- The new standard adds support for export products packaging plastic bucket provisions; --- This standard Supplement Appendix A is amended as normative appendix; --- The Standard Appendix A added reagent preparation and specific calibration methods. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard is drafted by. Tieling Flotation Reagent Co. The main drafters of this standard. Lin Yulan, Competitive Selection, Li Ying. This standard replaces the standards previously issued as follows. --- YS/T 279-1994; --- GB 8636-1988; --- YB2410-1980. Sodium 25 aerofloat

1 Scope

This standard specifies the requirements of 25 black powder sodium, test methods, inspection rules, packaging, labeling, transportation, storage and contract (or purchase order) content. This standard applies to three mixed cresol and phosphorus pentasulfide was synthesized on the 25th black medicine, and then an aqueous solution of caustic soda and sodium salt may Soluble product which is mainly used for flotation collectors of gold and silver and other precious metals and non-ferrous minerals.

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 325 packaging containers steel drums GB/T 6680 General rules for sampling liquid chemical products GB/T 13508 polyethylene blow barrels GB/T 19161 containers composite intermediate bulk containers SN/T 0271 export commodities inspection of transport packaging plastic bucket

3 Requirements

3.1 grades, chemical structure and product status No. 25 black powder grade sodium, chemical formula, chemical name, and product status should comply with the requirements of Table 1. Table 1, 25 grade black powder sodium, chemical formula, chemical name and product status Grade Chemical Structure Chemical Name Status B2-04 Molecular formula. (C7H7O) 2PSSNa Structure. MW. 332.3 (According to 2008 international atomic weight) Xylenol bis liquid sodium thiosulfate 3.2 Chemical composition 25 chemical composition of black powder sodium should be in accordance with Table 2. ...

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