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GB/T 39713-2020: Testing mothed for specific surface area of ceramic powders - BET gas adsorption operation
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39713-2020 | English | 169 |
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Testing mothed for specific surface area of ceramic powders - BET gas adsorption operation
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GB/T 39713-2020
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Basic data | Standard ID | GB/T 39713-2020 (GB/T39713-2020) | | Description (Translated English) | Testing mothed for specific surface area of ceramic powders - BET gas adsorption operation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q32 | | Classification of International Standard | 81.060.30 | | Word Count Estimation | 9,987 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-07-01 | | Quoted Standard | GB/T 19587; ISO 8213; ISO 14488 | | Adopted Standard | ISO 18757-2003, MOD | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the terms and definitions, principles, test procedures, test conditions, data processing and test reports of the gas adsorption BET method for the test method for the specific surface area of ??fine ceramic powders. This standard is applicable to the measurement of the specific surface area of ??fine ceramic powder by the low-temperature nitrogen adsorption BET method, and the detection range is 0.01m2/g^2��2000m^2/g. | GB/T 39713-2020: Testing mothed for specific surface area of ceramic powders - BET gas adsorption operation
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(Test method for specific surface area of fine ceramic powder: Gas adsorption BET method)
ICS 81:060:30
Q32
National Standards of People's Republic of China
Test method for specific surface area of fine ceramic powder
Gas adsorption BET method
[ISO 18757:2003,Fineceramics(advancedceramics,advancedtechnical
2020-12-14 release
2021-07-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1:1-2009:
This standard uses the redrafting method to modify and adopt ISO 18757:2003 "Fine Ceramics (Advanced Ceramics, Advanced Technical Ceramics) BET Gas
Volume adsorption method to test the specific surface area of ceramic powder":
Compared with ISO 18757:2003, this standard has many adjustments in structure: Appendix A lists this standard and ISO 18757:2003:
The chapter number comparison list:
Compared with ISO 18757:2003, there are technical differences between this standard and the clauses related to these differences have been passed on the outer margins:
The set vertical single line (∣) is marked, and a list of the corresponding technical differences and their reasons is given in Appendix B:
This standard also made the following editorial changes:
---The standard name was revised to "Test Method for Specific Surface Area of Fine Ceramic Powder Gas Adsorption BET Method";
---Appendix A and Appendix B have been added:
This standard was proposed by the China Building Materials Federation:
This standard is under the jurisdiction of the National Industrial Ceramics Standardization Technical Committee (SAC/TC194):
Drafting organizations of this standard: Shandong Industrial Ceramics Research and Design Institute Co:, Ltd:, China Building Materials Inspection and Certification Group Zibo Co:, Ltd:, Sinoma
Jiangxi Dianci Electric Co:, Ltd:, Best Instrument Technology (Beijing) Co:, Ltd:, Sinoma Advanced Materials Co:, Ltd:
The main drafters of this standard: Geng Zhenhua, Liu Jianfeng, Wu Ping, Li Haijian, Li Kai, Bi Zhiying, Wang Shengjie, Sang Jianhua, Chen Changzhu:
Test method for specific surface area of fine ceramic powder
Gas adsorption BET method
1 Scope
This standard specifies the test method for the specific surface area of fine ceramic powder: The terms and definitions of the gas adsorption BET method, principles, test procedures, test
Test conditions, data processing and test reports:
This standard applies to the low-temperature nitrogen adsorption BET method to test the specific surface area of fine ceramic powder, and the detection range is 0:01m2/g~2000m2/g:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 19587 Gas adsorption BET method to determine the specific surface area of solid substances (GB/T 19587-2017, ISO 9277:2010,
IDT)
ISO 8213 Industrial chemical products sampling technology from powder to coarse-grained solid chemical products (Chemical
productsforindustrialuse-Samplingtechniques-Solidchemicalproductsintheformofparticlesva-
ryingfrompowderstocoarselumps)
ISO 14488 Sampling and sample separation (Particulatematerials-Samplingand
samplesplittingforthedeterminationofparticulateproperties)
3 Terms and definitions
The terms and definitions defined in GB/T 19587 and below apply to this document:
3:1
Adsorption
Enrichment of adsorbed gas on the outer surface of the solid material and the accessible inner surface:
3:2
Physisorption
The weak bonding of the adsorbate, and the small change in pressure and temperature can trigger the adsorption of the process reversal:
3:3
Adsorbate
Adsorbed gas:
3:4
Adsorptive
Gas or vapor that can be adsorbed:
3:5
Adsorbent
The solid material where adsorption occurs:
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