YS/T 671-2008 English PDF

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YS/T 671-2008: Dibutyl dithiocarbamate

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 671-2008	279	Add to Cart	3 days	Dibutyl dithiocarbamate

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Basic data

Standard ID: YS/T 671-2008 (YS/T671-2008)
Description (Translated English): Dibutyl dithiocarbamate
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H34
Classification of International Standard: 77.120.01
Word Count Estimation: 8,891
Date of Issue: 2008-03-12
Date of Implementation: 2008-09-01
Quoted Standard: GB/T 2828.1; GB/T 6680
Regulation (derived from): NDRC Notice No. 25 of 2008
Issuing agency(ies): National Development and Reform Commission
Summary: This standard specifies the Ding sulfur and nitrogen requirements, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or contract) content. This standard applies to two amine, carbon disulfide, sodium hydroxide as raw materials to produce the small diltiazem products, which is mainly used for non-ferrous metal sulfide ore flotation and rubber accelerators.

YS/T 671-2008: Dibutyl dithiocarbamate

---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.
Dibutyl dithiocarbamate Book H34 People's Republic of China Nonferrous Metals Industry Standard Ding diltiazem Posted 2008-03-12 2008-09-01 implementation National Development and Reform Commission issued

Foreword

Appendix A of this standard is an informative annex. This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard by Qingdao O Tong Mining Chemical Co., Ltd. is responsible for drafting. The main drafters of this standard. Dong Lianpeng, WANG Li-yan, Wang Yukun. Ding diltiazem

1 Scope

This standard specifies the small sulfur and nitrogen requirements, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or contract) content. This standard applies to dibutylamine, carbon disulfide, sodium hydroxide as raw materials to produce small diltiazem product which is mainly used for non-ferrous metals Sulfide ore flotation and rubber accelerator.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan GB/T 6680 General rules for sampling liquid chemical products

3 Requirements

3.1 grades, chemical structure and shape of the product Ding diltiazem grades, chemical structure and shape of the product shall comply with the requirements in Table 1. Table 1 D grade sulfur and nitrogen, the chemical structure and shape of the product Grade Chemical Structure Chemical Name Product shape B1-105 Molecular formula. C9H18NS2Na Structure. N-C SNa CH3-CH2-CH2-CH2 CH3-CH2-CH2-CH2 Molecular Weight. 227.37 (According to 2001 international atomic weight) Dibutyl dithio Sodium group liquid 3.2 Chemical composition Ding sulfur and nitrogen chemical composition shall comply with the provisions of Table 2. Table 2 Ding sulfur and nitrogen chemical composition Variety Ratings Ding mass fraction of sulfur and nitrogen, not less than/% Free base (NaOH) concentration, no greater than/% Ding diltiazem Premium grade 50.0 2.0 Qualified 40.0 3.0 3.3 appearance quality Ding appearance of sulfur and nitrogen products should be yellow to orange-red transparent liquid, can not be mixed with mechanical impurities. Test Method 4 4.1 Determination of surface quality by visual determination. ......

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