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GB/T 36595-2018: Nanoscale barium titanate
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| GB/T 36595-2018 | English | 279 |
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Nanoscale barium titanate
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GB/T 36595-2018
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Basic data | Standard ID | GB/T 36595-2018 (GB/T36595-2018) | | Description (Translated English) | Nanoscale barium titanate | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L90 | | Classification of International Standard | 31.030 | | Word Count Estimation | 14,124 | | Date of Issue | 2018-09-17 | | Date of Implementation | 2019-06-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 36595-2018: Nanoscale barium titanate---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.
Nanoscale barium titanate
ICS 31.030
L90
National Standards of People's Republic of China
Nano-barium titanate
Published on.2018-09-17
2019-06-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Product Code 1
5 Technical requirements 3
6 Test method 3
7 Inspection rules 5
8 logo, label 5
9 Packaging, transportation and storage 6
Appendix A (Normative) Method for determination of median particle size and particle morphology 7
Appendix B (Normative Appendix) Method for determination of particle size distribution 9
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents.
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. Shandong Guohua Functional Materials Co., Ltd., Xuancheng Jingrui New Materials Co., Ltd., Guangzhou Ji Bisheng Technology
Industry Co., Ltd., Metallurgical Industry Information Standards Institute, Shenzhen Yuyang Technology Development Co., Ltd., Guangdong Fenghua High-tech Co., Ltd.
the company.
The main drafters of this standard. Si Liuqi, Ying Hong, Xu Jin, Dai Shifeng, Mo Xuekui, Wu Chunlei, Xiang Yong, Tang Hao, Ai Liaodong, Xu Yong, Yang Bin,
Liao Jie, Song Zifeng.
Introduction
Barium titanate is an important basic material in the field of electronic ceramics. Due to its high dielectric constant, good ferroelectric, piezoelectric and withstand voltage.
And insulation and other properties, is widely used in the production of multilayer ceramic capacitors, thermistors, piezoelectric ceramics and other components, and these components in the pass
Letters, IT, digital home appliances, automotive electronics, national defense and other fields are indispensable.
In recent years, components such as multilayer ceramic capacitors have been developed in the direction of thinner layering, miniaturization, large capacity, and high reliability.
Higher requirements for nano-barium titanate materials, one of the key materials, such as the purity, particle size and particle size distribution, ratio of nano-barium titanate
Surface area, enthalpy and titanium molar ratio and other indicators. China began to explore the large-scale preparation technology of nano-barium titanate from the beginning of the 21st century and successfully realized production.
Industrialization, as of.2017, China's nano-barium titanate has occupied a third of the international high-end market, and has a foothold in the international arena.
Light and heavy status.
This standard is very important for promoting the accurate characterization and evaluation of nano-barium titanate in the upstream and downstream of the industry and promoting its promotion and application.
effect.
Nano-barium titanate
1 Scope
This standard specifies the product code, technical requirements, test methods, inspection rules, signs, labels, and packaging and transportation of nano-barium titanate.
With storage.
This standard applies to nano-barium titanate powder materials. This product is mainly used in multilayer ceramic capacitor (MLCC) media, electronically conductive
Slurry additives, fillers for high dielectric constant organic composite materials, and the like.
Molecular formula. BaTiO3
Relative molecular mass. 233.20 (according to.2007 international relative atomic mass)
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
GB/T 6284-2006 General method for moisture determination in chemical products - Dry reduction method
GB/T 6679 Solid Chemical Products Sampling General
GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values
GB/T 15445.1 Expression of particle size analysis results Part 1. Graphical characterization
Determination of specific surface area of solid materials by GB/T 19587 gas adsorption BET method
GB/T 19619 nanomaterial terminology
GB/T 30904 inorganic chemical products crystal structure analysis X-ray diffraction method
EJ/T 553 Determination of mineral unit cell parameters by powder X-ray diffraction
HG/T 3587-2009 High-purity barium titanate for the electronics industry
3 Terms and definitions
The following terms and definitions as defined in GB/T 19619 apply to this document.
3.1
Median particle size medianparticlesize
D50
The particle size corresponding to the cumulative particle size distribution percentage of the particles in the sample reached 50%.
Note. The physical meaning of d50 is that the particle size is larger than 50% of its particles, and the particle smaller than it is also 50%, also called the median diameter.
4 Product Code
4.1 Code composition
The code is composed of three parts. preparation process code, barium titanate name (BT) and median particle size code. The preparation process code is shown in Table 1, the median particle
The path classification and code are shown in Table 2.
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