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YS/T 270-2011 PDF English

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YS/T 270-2011: Ethyl thio carbamate
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YS/T 270: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
YS/T 270-2011English259 Add to Cart 3 days [Need to translate] Ethyl thio carbamate
YS/T 270-1994English239 Add to Cart 2 days [Need to translate] Ethyl thio carbamate

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Basic data

Standard ID YS/T 270-2011 (YS/T270-2011)
Description (Translated English) Ethyl thio carbamate
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H34
Classification of International Standard 71.100.40
Word Count Estimation 10,155
Date of Issue 2011-12-20
Date of Implementation 2012-07-01
Older Standard (superseded by this standard) YS/T 270-1994
Quoted Standard GB/T 325; GB/T 13508
Regulation (derived from) ?MIIT Announcement 2011 No.43
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the requirements diethyldithiocarbamate, test methods, inspection rules and packaging, signs, transport, storage and contract (or order form) content. This standard applies to diethylamine, carbon disulfide and sodium hydroxide as raw materials diethyldithiocarbamate, the product is mainly used for non-ferrous metal ore flotation collectors and rubber vulcanization accelerator.

YS/T 270-2011: Ethyl thio carbamate

---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.
Ethyl thio carbamate ICS 71.100.40 H34 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 270-1994 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 is in accordance with GB/T 1.1-2009 given rule drafting. Instead of the standard YS/T 270-1994 "diethyldithiocarbamate" amendment, compared with the YS/T 270-1994, the main changes are as follows. --- The standard of editorial changes. --- The new standard adds plastic buckets, flexible packaging and export products packaging requirements. --- 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 270-1994; --- GB 8149-1987; --- YB2409-1980. Diethyldithiocarbamate

1 Scope

This standard specifies diethyldithiocarbamate requirements, test methods, inspection rules, packaging, labeling, transportation, storage and contract (or purchase order) content. This standard applies to diethylamine, carbon disulfide and sodium hydroxide as raw materials diethyldithiocarbamate, the product is mainly used for non-ferrous metal ores Flotation collector and rubber vulcanization accelerator.

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 13508 polyethylene blow barrels

3 Requirements

3.1 grades, chemical structure, chemical name, and product status Diethyldithiocarbamate grades, chemical structure, chemical name, and product status should comply with the requirements of Table 1. Table 1 diethyldithiocarbamate grades, chemical structure, chemical name, and product status Grade Chemical Structure Chemical Name Status B1-101 Molecular formula. C5H10NS2Na · 3H2O Structure. C2H5 C2H5 -C-- -S-Na · 3H2O MW. 225.3 (According to 2008 international atomic weight) Trihydrate diethyl dithiocarbamate Sodium Crystalline powder 3.2 Chemical composition Diethyldithiocarbamate chemical composition shall comply with the provisions of Table 2. Table 2 diethyldithiocarbamate main content (mass fraction) Name Class Main content /% not less than Free base (NaOH) /% no greater than Diethyldithiocarbamate Premium grade 94 0.6 Qualified 90 1.0 ...

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