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YS/T 652-2007 English PDF

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YS/T 652-2007: Sodium 2-meocaptobenzothiazole used for nonferrous mineral processing
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PDF similar to YS/T 652-2007


Standard similar to YS/T 652-2007

GB/T 38216.2   GB/T 38216.1   YS/T 488   YS/T 237   YS/T 468   YS/T 653   

Basic data

Standard ID YS/T 652-2007 (YS/T652-2007)
Description (Translated English) Sodium 2-meocaptobenzothiazole used for nonferrous mineral processing
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H34
Classification of International Standard 73
Word Count Estimation 9,934
Date of Issue 2007-11-14
Date of Implementation 2008-05-01
Quoted Standard GB/T 325; GB/T 10454; SN/T 0273
Regulation (derived from) NDRC Notice No. 77 of 2007
Issuing agency(ies) National Development and Reform Commission
Summary This standard specifies the mercapto benzothiazole sodium requirements, test methods, test rules and signs, packaging, transport and storage. This standard applies to mercapto benzothiazole and sodium hydroxide as raw mercapto benzothiazole sodium products, which is mainly used for non-ferrous metal ore flotation collectors.

YS/T 652-2007: Sodium 2-meocaptobenzothiazole used for nonferrous mineral processing

---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 2-meocaptobenzothiazole used for nonferrous mineral processing Book H34 People's Republic of China Nonferrous Metals Industry Standard Sodium mercaptobenzothiazole sodium for non-ferrous metal ore dressing Released on.2007-11-14 2008-05-01 implementation National Development and Reform Commission released

Foreword

Appendix A of this standard is an informative annex. This standard is proposed and managed by the National Nonferrous Metals Standardization Technical Committee. This standard was drafted by Qingdao Aotong Mining Chemical Co., Ltd. The main drafters of this standard. Dong Lianpeng, Wang Liyan, Song Cuiping. This standard is interpreted by the National Nonferrous Metals Standardization Technical Committee. Sodium mercaptobenzothiazole sodium for non-ferrous metal ore dressing

1 Scope

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation and storage of mercaptobenzothiazole sodium. This standard applies to mercaptobenzothiazole sodium products produced from mercaptobenzothiazole and sodium hydroxide. The product is mainly used as A collector for the flotation of ferrous metal ore.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. GB/T 325 packaging container steel drum GB/T 10454 container bag SN/T 0273 Inspection rules for wooden boxes for export of goods for export

3 requirements

3.1 Grade, chemical structure and product shape The grade, chemical structure and product shape of mercaptobenzothiazole sodium should meet the requirements of Table 1. Table 1 Grades, chemical structural formulas and product shapes of mercaptobenzothiazole sodium Grade chemical structure chemical name product shape B4-07 Molecular formula. C7H4NS2Na Structure. Molecular weight. 189.225 (according to.2001 international relative atomic mass) Sodium mercaptobenzothiazole granular, powdery, liquid 3.2 Chemical composition The chemical composition of mercaptobenzothiazole sodium should meet the requirements of Table 2. Table 2 Chemical composition and supply form of mercaptobenzothiazole sodium Grade Mercaptobenzothiazole sodium/% not less than Free base /% no greater than Product supply shape B4-07 B4-07 Excellent grade 90.0 2.0 First grade 85.0 3.0 Qualified product 82.0 3.0 First grade product 50.0 2.0 Qualified goods 45.0 2.0 Granular, powdery liquid

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