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YS/T 652-2007: Sodium 2-meocaptobenzothiazole used for nonferrous mineral processing
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
YS/T 652-2007	English	289	Add to Cart	3 days [Need to translate]	Sodium 2-meocaptobenzothiazole used for nonferrous mineral processing

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

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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 ...