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YS/T 671-2008: Dibutyl dithiocarbamate
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| YS/T 671-2008 | English | 279 |
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Dibutyl dithiocarbamate
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YS/T 671-2008
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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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