GB/T 38061-2019 English PDF

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GB/T 38061-2019: Cerium dioxide nanomaterial
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38061-2019	199	Add to Cart	3 days	Cerium dioxide nanomaterial	Valid

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Basic data

Standard ID: GB/T 38061-2019 (GB/T38061-2019)
Description (Translated English): Cerium dioxide nanomaterial
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H65
Classification of International Standard: 77.120.99
Word Count Estimation: 10,171
Date of Issue: 2019-10-18
Date of Implementation: 2020-09-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38061-2019: Cerium dioxide nanomaterial

---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.
Cerium dioxide nanomaterial ICS 77.120.99 H65 National Standards of People's Republic of China Nano cerium oxide Published on.2019-10-18 2020-09-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Chinese Academy of Sciences. This standard is under the jurisdiction of the National Nanotechnology Standardization Technical Committee Nanomaterials Subcommittee (SAC/TC279/SC1). This standard was drafted. National Nanoscience Center, Inner Mongolia Xinyu Rare Earth Functional Materials Co., Ltd., Shenzhen Xianggen Biotechnology Limited company, Xuancheng Jingrui New Materials Co., Ltd., Metallurgical Industry Information Standards Institute, Institute of Process Engineering, Chinese Academy of Sciences. The main drafters of this standard. Wang Qi, Yan Daiyu, Huang Shenghong, Wang Zhen, Shen Genli, Liu Mi, Zhang Donghui, Gao Jie, Wang Xiaoping, Xu Yong, Hou Huining, Chen Yunfa. Nano cerium oxide

1 Scope

This standard specifies the requirements, test methods, inspection rules, signs and quality certificates, packaging, transportation and storage of nano-cerium oxide. This standard applies to near-spherical nano-cerium oxide powder materials. Molecular formula. CeO2. Relative molecular mass. 172.11 (according to the international relative atomic mass in.2015).

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 191-2008 packaging storage and transportation icon General rules for sampling GB/T 6678 chemical products GB/T 6682-2008 Analytical laboratory water specifications and test methods GB/T 8170-2008 Numerical rounding rules and the representation and determination of limit values Methods of chemical analysis of non-rare earth impurities in rare earth metals and their oxides - Part 2 Measuring method GB/T 14635-2008 Methods for chemical analysis of rare earth metals and their compounds GB/T 18115.2-2006 Chemical analysis method for rare earth impurities in rare earth metals and their oxides 铈中镧,镨,钕,钐,铕, Determination of 钆, 铽, 镝, 钬, 铒, 铥, 镱, 镥 and 钇 Determination of specific surface area of solid materials by GB/T 19587 gas adsorption BET method Inorganic chemical products -- Preparation of standard solutions, preparations and products for chemical analysis - Part 1 . standard titration Liquid preparation HG/T 3696.2 Preparation of standard solutions, preparations and products for chemical analysis of chemical products - Part 2 Liquid preparation Preparation of standard solutions, preparations and products for chemical analysis - Part 3. Preparations and preparations Preparation

3 requirements

3.1 Appearance. Milky white or light yellow powder, no visible inclusions. 3.2 Nano-cerium oxide should meet the requirements of Table 1. Table 1 Performance indicators Serial number item index test method 1 Total mass of rare earths (REO) /% ≥99.00 4.2.1 2 Mass fraction of rare earth impurities /% ≤0.10 4.2.2 3 Mass fraction of non-rare earth impurities (Fe2O3) /% ≤0.006 4.2.3 ......

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