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YS/T 218-2021 English PDF

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YS/T 218-2021: (Superfine Nickel Carbonyl Powder)
Status: Valid

YS/T 218: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 218-2021English179 Add to Cart 3 days [Need to translate] (Superfine Nickel Carbonyl Powder) Valid YS/T 218-2021
YS/T 218-2011English279 Add to Cart 3 days [Need to translate] Superfine carbonyl nickel powder Obsolete YS/T 218-2011
YS/T 218-1994English199 Add to Cart 2 days [Need to translate] Aluminium and aluminium alloy sheets of nonheat-reeatable strenging grades in large dimensions Obsolete YS/T 218-1994

PDF similar to YS/T 218-2021


Standard similar to YS/T 218-2021

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Basic data

Standard ID YS/T 218-2021 (YS/T218-2021)
Description (Translated English) (Superfine Nickel Carbonyl Powder)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H71
Word Count Estimation 7,776
Issuing agency(ies) Ministry of Industry and Information Technology

YS/T 218-2011: Superfine carbonyl nickel powder

---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.
Superfine carbonyl nickel powder ICS 77.160 H71 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 218-1994 Ultrafine nickel carbonyl powder Issued on. 2011-12-20 2012-07-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

Instead of the standard YS/T 218-1994 "superfine carbonyl nickel powder." This standard compared with the original standards, the main changes are as follows. --- Grade was increased from 3 to 6; --- Amendments to the provisions of C element content; --- Amendments to the provisions of S element content; --- Remove the P element content of the provisions; --- Increased the number of arbitration and sampling provisions; --- Increase the test items Terms; --- Increasing the contract (or purchase order content). This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Jinchuan Group Co., Ltd., Jilin Jien Nickel Industry Co., Ltd., Steel Research Institute. The main drafters of this standard. Li Zhaoping, Lin Hsiu-ying, Zhuang Lijun, Leifu Wei, Meng Qingwei, Lee. This standard replaces the standards previously issued as follows. --- YS/T 218-1994, GB n214-1984. Ultrafine nickel carbonyl powder

1 Scope

This standard specifies the requirements, test methods, inspection rules ultrafine nickel carbonyl powder, signs, packaging, transportation, storage and quality certificate and Closing Same (or orders) content. This standard applies to the production of ultra-fine carbonyl nickel carbonyl powder, the average particle diameter of 20nm ~ 500nm, is mainly used for efficient catalysts, magnetic Fluid, efficient combustion improver, conductive paste, high-performance electrode materials, activated sintering additive, metal and non-metallic surface of the conductive coating.

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. Determination of GB/T 1479 metal powder bulk density - Part 1. funnel method GB/T 5314 powder metallurgy - Sampling Methods GB/T 8647 (all parts) methods for chemical analysis of nickel GB/T 13221 nano powder particle size distribution measuring X-ray small angle scattering method GB/Determination of solid material surface area BET gas adsorption method T 19587 YS/T 539.13 nickel-based alloy powder chemical analysis - Part 13. Determination of oxygen pulse heating inert gas fusion - infrared Ray absorptiometry

3 Requirements

3.1 Categories Superfine carbonyl nickel powder chemical composition and particle size divided into FNiTS-1, FNiTS-2, FNiTS-3, FNiTS-4, FNiTS-5, FNiTS-6 six grades, which, FNiT represents a carbonyl nickel powder, S for superfine. 3.2 Chemical composition Superfine carbonyl nickel powder chemical composition shall comply with the requirements in Table 1. Table 1 superfine carbonyl nickel powder chemical composition mass fraction /% Trademark Main content of impurities, not more than Ni Fe COS Total other impurities FNiTS-1 margin 0.01 0.15 2.0 0.001 0.01 FNiTS-2 margin 0.03 0.20 2.0 0.003 0.01 FNiTS-3 margin 0.01 0.15 4.0 0.001 0.01 FNiTS-4 margin 0.03 0.20 4.0 0.003 0.01 FNiTS-5 margin 0.01 0.15 5.0 0.001 0.01

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Question 5: Should I purchase the latest version YS/T 218-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 218-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.