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GB/T 38061-2019 (GBT 38061-2019)

GB/T 38061-2019_English: PDF (GBT38061-2019)
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GB/T 38061-2019English199 Add to Cart Days<=3 Cerium dioxide nanomaterial GB/T 38061-2019 Valid GB/T 38061-2019

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 10,159
Date of Issue 2019-10-18
Date of Implementation 2020-09-01
Drafting Organization National Nanoscience Center, Inner Mongolia Xinyu Rare Earth Functional Materials Co., Ltd., Shenzhen Xianggen Biotechnology Co., Ltd., Xuancheng Jingrui New Materials Co., Ltd., Metallurgical Industry Information Standards Institute, Institute of Process Engineering, Chinese Academy of Sciences
Administrative Organization National Nanotechnology Standardization Technical Committee Nanomaterials Subcommittee (SAC/TC 279/SC 1)
Proposing organization Chinese Academy of Sciences
Issuing agency(ies) State Administration of Markets and China National Standardization Administration

GB/T 38061-2019
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