GB/T 19590-2023 English PDF

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GB/T 19590-2023: Nanoscale calcium carbonate
Status: Valid

GB/T 19590: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 19590-2023	269	Add to Cart	3 days	Nanoscale calcium carbonate	Valid
GB/T 19590-2011	519	Add to Cart	3 days	Nanoscale Calcium carbonate (powdered form)	Obsolete
GB/T 19590-2004	239	Add to Cart	2 days	Nana-calcium carbonate	Obsolete

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GB/T 23853   GB 19106   GB/T 33822   GB/T 23850   

Basic data

Standard ID: GB/T 19590-2023 (GB/T19590-2023)
Description (Translated English): Nanoscale calcium carbonate
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G12
Classification of International Standard: 71.060.50
Word Count Estimation: 14,159
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Older Standard (superseded by this standard): GB/T 19590-2011
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 19590-2023: Nanoscale calcium carbonate

---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.
ICS 71.060.50 CCSG12 National Standards of People's Republic of China Replace GB/T 19590-2011 Nano calcium carbonate Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 19590-2011 "Nano Calcium Carbonate". Compared with GB/T 19590-2011, except for structural adjustment and editing In addition to the modifications, the main technical changes are as follows. a) Added index requirements determined based on particle morphology (see Table 1); b) Changed the main content, average particle size, and specific surface area indicators of nano-calcium carbonate (see Table 1, Table 1 of the.2011 version); c) Added magnesium and iron content indicators and test methods (see Table 1, 6.5, 6.6); d) The indicators and test methods of grain size and agglomeration index are deleted (see Tables 1, 6.5, and 6.7 of the.2011 version); e) The average particle size test method has been changed (see 6.2, 6.4 of the.2011 edition). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the Inorganic Chemical Branch of the National Chemical Standardization Technical Committee (SAC/TC63/SC1). This document was drafted by. CNOOC Tianjin Chemical Research and Design Institute Co., Ltd., Guangxi Warner New Materials Co., Ltd., Changzhou Carbonic Acid Calcium Co., Ltd., Enping Yanyi New Materials Co., Ltd., Xiangyang Xingfa Chemical Co., Ltd., Shanxi Orchid Huaming Nanomaterials Co., Ltd., Zhejiang Tianshi Nanotechnology Co., Ltd., Jiande Shuangchao Calcium Industry Co., Ltd., Hangzhou Zhenghe Nanotechnology Co., Ltd., Hunan Jinjianxin Material Technology Co., Ltd., Guangxi Pingguo Orifeng New Material Technology Co., Ltd., Guilin Jinshan New Material Co., Ltd. The main drafters of this document. Guo Yongxin, Zhu Yong, Wu Rongzhong, Xie Zhong, Sun Hao, Niu Zhenning, Zhou Han, Hong Yufeng, Wang Zhiwei, Wen Jingjian, Du Nianjun, Li Shiling, Fan Guoqiang. This document was first published in.2004, revised for the first time in.2011, and this is the second revision. Nano calcium carbonate

1 Scope

This document specifies the requirements, test methods, inspection rules, and markings for nano-calcium carbonate (including ultrafine calcium carbonate and some fine calcium carbonate) and accompanying documentation, packaging, shipping and storage. This document applies to nanometer calcium carbonate powder. Note. This product is mainly used in rubber, plastics, sealants, adhesives, offset inks and coatings, etc.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 191-2008 Packaging, storage and transportation pictorial markings GB/T 6678 General principles for sampling of chemical products GB/T 8170 Numerical rounding rules and representation and determination of limit values GB/T 19281-2014 Calcium carbonate analysis method GB/T 19587 Determination of specific surface area of solid materials by gas adsorption BET method

3 Terms and definitions

There are no terms or definitions to be defined in this document.

4 Molecular formula and relative molecular mass

Molecular formula. CaCO3. Relative molecular mass. 100.09 (according to the 2022 international relative atomic mass).

5 requirements

5.1 Appearance. white powder. 5.2 Morphology. Cube, quasi-cube, rhombohedron, nearly spherical, rod-shaped, needle-shaped or chain-shaped in electron microscope imaging. 5.3 Nano-calcium carbonate should be tested according to the test methods specified in this document and should comply with the requirements in Table 1. ......

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