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GB/T 39713-2020 English PDF

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US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39713-2020: Testing mothed for specific surface area of ceramic powders - BET gas adsorption operation
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39713-2020	169	Add to Cart	3 days	Testing mothed for specific surface area of ceramic powders - BET gas adsorption operation	Valid

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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

---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.
(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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39713-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39713-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39713-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39713-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.