GB/T 10722-2014 English PDFUS$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 10722-2014: Carbon black -- Determination of total and external surface area by nitrogen adsorption Status: Valid GB/T 10722: Historical versions
Basic dataStandard ID: GB/T 10722-2014 (GB/T10722-2014)Description (Translated English): Carbon black -- Determination of total and external surface area by nitrogen adsorption Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G49 Classification of International Standard: 83.040.30 Word Count Estimation: 11,185 Date of Issue: 12/31/2014 Date of Implementation: 7/1/2015 Older Standard (superseded by this standard): GB/T 10722-2003 Quoted Standard: GB 3778; GB/T 3782; GB/T 7044; GB/T 8170; HG/T 3061; HG/T 3065 Adopted Standard: ASTM D6556-10, NEQ Regulation (derived from): National Standards Bulletin 2014 No. 33 Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This Standard specifies the use Brunauer, Emmett, multi-molecular layer Teller (BET NSA) multi-point method of adsorption theory the determination of total surface area, and surface area using statistical methods adsorbed layer thickness side given the ex GB/T 10722-2014: Carbon black -- Determination of total and external surface area by nitrogen adsorption---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. Carbon black-Determination of total and external surface area by nitrogen adsorption ICS 83.040.30 G49 National Standards of People's Republic of China Replacing GB/T 10722-2003 Carbon black - Determination of total and external surface area Nitrogen adsorption Issued on. 2014-12-31 2015-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 10722-2003 "total surface area of \u200b\u200bthe carbon black and the external surface area by nitrogen adsorption method" and GB/T 10722- Compared to 2003, the main technical changes are as follows. --- Increasing the GB/T 8170, HG/T 3065 (see Chapter 2); --- Remove the "meaning and purpose" (see 2003 edition of Chapter 5); --- Increased "(125 ± 10) ℃" (see 65, 2003 version 7.5.); --- Added "silica sample preparation, should be according to the provisions of HG/T 3065 is heated to a constant weight," while increasing the note (see 8.1.1, Note); --- Modify the "Weigh about 0.4g sample in the sample tube" to "weigh the quality of the sample, the surface area of \u200b\u200bthe inner tube sample was 20m2 ~ 50m2 ", while adding a note (see 8.1.3 and Notes, 2003 version 8.4); --- Increased results for "standard reference carbon black and silica SRBB8 may take a longer time to obtain a stable degassing, recommendations Degassing time is extended to 1h "(see 8.2.2 Note 2); --- Remove the "carbon black for rubber, carbon black and acetylene black pigment predetermined degassing temperature (300 ± 10) ℃, degassing silica predetermined temperature Is (160 ± 10) ℃ "(see 2003 version 8.6.3); --- Increased "should be purified after the test day, Dewar and dried" (see 92, 2003 version 9.2.); --- Added "interval between two consecutive measurements at least p0 10min" (see Note 9.3); --- The "In the relative pressure (p/p0) is at least five to be measured within the range of 0.1 to 0.5 uniformly distributed data points" to "test carbon When black sample. the relative pressure (p/p0) of at least five to be measured within the range of 0.1 to 0.5 points uniformly distributed data, to obtain STSA value. Test silica samples. In the relative pressure (p/p0) is measured at least five evenly within the range of 0.05 to 0.2 Data point "distribution (see 95, 2003 version 9.5.); --- Added "Note. The weighing process, the sample tube should be stamped with a rubber stopper to prevent the sample absorb moisture from the air" (see Note 9.6); --- Added "selected points should satisfy the correlation coefficients > 0.999" (see 10.4.3); --- The "press black varieties to determine the appropriate relative pressure" to "determine the appropriate range according to the surface area relative pressure" (see 10.4.4, 2003 Edition 10.4.4); --- Remove the "Va-t if the situation does appear negative intercept, the value is equal to the NSA report STSA value" description, while increasing "For the NSA occurred STSA value is higher than the value of the analysis should report STSA measure," the description (see 10.5 5. 2003 Edition The 10.5.5); --- Description of the test results increased the value specified (see 10.6); --- Modify the NSA and STSA precision (see Chapter 11, 2003 version of Chapter 11); --- Remove the "standard reference carbon black NSA and STSA value value" (see the 2003 edition of Appendix A); --- Deleted the "Standards and ASTMD6556.2000a technical differences and their causes" (see 2003 edition of Appendix C). The standard reference method using redrafted ASTMD6556-10 "Standard Test Method for Carbon Black determination of total nitrogen adsorption surface area and the outer Surface area. " This standard ASTMD6556-10 compared with more adjustments in the structure, listed in Appendix A of this standard and ASTMD6556- Article 10 of Chapter control list. Technical differences between this standard and ASTMD6556-10 and for the following reasons. --- Remove the "Unit" and "security issues" related to the description (see ASTMD6556-10 of 1.2, 1.3); --- Added "This standard applies to carbon black for rubber, carbon black pigment, acetylene carbon black and silica surface area measurement" (see Chapter 1); --- With "GB 3778, GB/T 3782, GB/T 7044, HG/T 3061" instead of "ASTMD1799, ASTMD1900", in order to Compliance with sampling different varieties of carbon black, while increasing the "GB/T 8170, HG/T 3065", delete "ASTMD3765, ASTMD4483 "(see Chapter 2, Chapter 2 ASTMD6556-10's); --- Increase the "Terms and Definitions", so that the standard of NSA and STSA concept clearer (see Chapter 3); --- Remove the "meaning and purpose" should not be written in the standard text (see Chapter 4 of ASTMD6556-10); --- Increase "(105 ± 2) ℃", adapted to test silica (see 6.5, ASTMD6556-10 5.5); --- Delete the part about the "Dewar" and "measure p0 series of options", and is not suitable for this narrative (see ASTM D6556-10 of 9.2, 9.3); --- Added "silica sample preparation, should be according to the provisions of HG/T 3065 is heated to a constant weight" (see 8.1.1); --- Added "powder compacts after the sample is appropriate mechanism samples test", to adapt to different varieties of carbon black test (see note 8.1.1); --- Remove the sample volume is described symmetrical, increasing the sample size of the provisions of symmetry, to improve the accuracy of data (see 8.1.3 note, ASTM D6556-10 8.3, Note 1); --- Edit "in the relative pressure (p/p0) is at least five to be measured within the range of 0.1 to 0.5 uniformly distributed data points" to "test carbon black When the sample. the relative pressure (p/p0) of at least five to be measured within the range of 0.1 to 0.5 points uniformly distributed data, to obtain STSA value. Test silica samples. In the relative pressure (p/p0) is measured at least five evenly within the range of 0.05 to 0.2 Data point "distribution, increased operability (see 9.5, ASTMD6556-10 9.6); --- Increase "the number of points should be selected to meet the correlation coefficients > 0.999" in order to improve the accuracy of the data (see 10.4.3, ASTMD6556-10 10.4.3); --- The "press black varieties to determine the appropriate relative pressure" to "determine the appropriate range according to the surface area relative pressure" to provide more comprehensive Plane and clear (see 10.4.4, ASTMD6556-10 10.4.4); --- Increased (160 ± 10) ℃, sample processing to meet the silica (6.4,8.2.2 see Note 1); --- Increasing the density of silica, convenient to use a standard user (see 9.4); --- Increasing the value of the description of the test results provided increased maneuverability (see 10.6); --- Increase the informative Appendix A. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Rubber and rubber products Standardization Technical Committee of carbon black Technical Committee (SAC/TC35/SC5) centralized. This standard was drafted. Rubber Group Carbon Black Research Institute, Golden Energy Technology Co., Ltd., Guangzhou GB S High-Technology Industry have Limited, Lone Star Chemical Co., Ltd., a public Qujing Fine Chemical Co., Ltd., Shandong Branch of the New Materials Co., Ltd., Sichuan Institute of Technology College, Zhuzhou Xinglong Chemical Industry Co., Ltd., GITI Tire (China) R & D Center formulation material portion. The main drafters of this standard. Niesu Qing, Liu Jian, Wu Chunlei, to generation silver, Feng Jie, Hou HE steel, Jiangliang Qiang, Zhang Youwei, Chen, Zhou, Lin Jun. This standard replaces the standards previously issued as follows. --- GB/T 10722-1989, GB/T 10722-1999, GB/T 10722-2003. Carbon black - Determination of total and external surface area Nitrogen adsorption Warning. Use of this standard shall have a person experiences regular laboratory work. This section does not indicate that all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.1 ScopeThis standard specifies the Brunauer, Emmett, multi-molecular layer Teler (BETNSA) adsorption theory multi-point method to determine the total surface Product, as well as the external surface area measured by statistical thickness surface area of \u200b\u200bthe adsorption method. This standard applies to carbon black for rubber, dye black, acetylene black and precipitated hydrated silicon dioxide (silica).2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 3778 carbon black for rubber GB/T 3782 acetylene black GB/T 7044 carbon black pigment GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment HG/T 3061 Rubber compounding ingredients precipitated hydrated silica HG/T 3065 Rubber compounding ingredients Determination precipitated hydrated silica heating loss3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 Nitrogen adsorption surface area nitrogensurfacearea; NSA SNSA According to BET theory, the total surface area of \u200b\u200bthe carbon black by the nitrogen adsorption data calculated. 3.2 Statistics adsorption layer thickness of the surface area statisticalthicknesssurfacearea; STSA SSTSA Use deBoer theoretical models and carbon black, the nitrogen adsorption data to calculate the external surface area. Principle 4 At liquid nitrogen temperature, and calculates the total surface area of \u200b\u200bthe carbon black or white carbon look adsorbed nitrogen molecules from a certain number of partial pressure of nitrogen gas area. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 10722-2014_English be delivered?Answer: Upon your order, we will start to translate GB/T 10722-2014_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 10722-2014_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 10722-2014_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. 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