GB/T 7766-2008 English PDFUS$1389.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 7766-2008: Rubber Products -- Test methods for chemical analysis Status: Valid GB/T 7766: Historical versions
Basic dataStandard ID: GB/T 7766-2008 (GB/T7766-2008)Description (Translated English): Rubber Products -- Test methods for chemical analysis Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G40 Classification of International Standard: 83.060 Word Count Estimation: 63,649 Date of Issue: 2008-06-18 Date of Implementation: 2009-02-01 Older Standard (superseded by this standard): GB/T 13644-1992; GB/T 13645-1992; GB/T 14836-1993; GB/T 18174-2000; GB/T 7766-2000; GB/T 9875-2001 Adopted Standard: ASTM D297-1993 (2006), NEQ Regulation (derived from): National Standard Approval Announcement 2008 No.10 (Total No.123) 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 method for determining the content of rubber products and components, including generic test methods, determination of rubber polymer content. This standard applies to "R" series (see GB/T 5576) of rubber components of qualitative and quantitative analysis. Many of these methods can be applied to the analysis of natural rubber or synthetic rubber. GB/T 7766-2008: Rubber Products -- Test methods for chemical analysis---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.Rubber Products. Test methods for chemical analysis ICS 83.060 G40 National Standards of People's Republic of China Replacing GB/T 13644-1992, GB/T 13645-1992, GB/T 14836-1993, GB/T 18174-2000, GB/T 7766-2000, GB/T 9875-2001 Rubber products, chemical analysis methods Posted 2008-06-18 2009-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsIntroduction Ⅲ 1 Scope 1 2 Normative references 1 3 Reagent 1 4 Universal Test Method 2 4.1 Scope 2 4.2 Preparation of the test sample and the requirements of 2 Preliminary Determination 4.3 Sample 3 4.3.1 Reagent 3 4.3.2 carbonate 3 4.3.3 antimony and lead 3 4.3.4 Carbon black 3 4.3.5 barium salt 3 4.3.6 paraffin 3 4.3.7 Protein 3 4.3.8 ointment 3 4.3.9 Other fillers 4 4.3.10 Identification rubber 4 4.4 rubber polymer content of 4 4.4.1 Scope 4 4.4.2 Terms and definitions 4 4.4.3 Calculation 4 4.5 complexing agent content of 5 4.6 General methods of test report 6 6 4.7 Density 10 4.8 Analysis of extractives 4.8.1 Scope 10 4.8.2 Summary of Method 10 4.8.3 acetone extraction 11 4.8.4 chloroform extraction 14 4.8.5 Total extract 15 4.8.6 Potassium hydroxide - ethanol extraction 15 4.8.7 unsaponifiable acetone extract 16 4.8.8 paraffin 17 4.8.9 Mineral oil 17 4.8.10 Fast reflux extraction 18 Analysis 4.9 sulfur 19 4.9.1 Scope 19 4.9.2 Terms and definitions 19 4.9.3 free sulfur 19 4.9.4 acetone extract sulfur 20 4.9.5 Determination of sulfur rubber with 20 oxygen flask combustion method 4.9.6 Determination of sulfur content of the melt 23 4.9.7 Determination of antimony absence of inorganic sulfur 24 4.10 Analysis of the filler 25 4.10.1 Scope 25 4.10.2 Determination of filler content, ash Arbitration Law 25 4.10.3 filler content measurement, dry ash method (optional) 26 4.10.4 Determination of sulphate ash 26 4.10.5 Determination of carbon black content. Method A. nitric acid digestion method 27 4.10.6 Determination of carbon black content. Method B. fumed 28 4.10.7 nitrogen content to protein count 29 30 4.11 Analysis of ash 4.11.1 General Method 30 4.11.2 silica content and insoluble substances 30 4.11.3 lead oxide content of 31 4.11.4 iron and aluminum oxide (R2O3) content of 31 4.11.5 calcium oxide 32 4.11.6 magnesia 33 4.11.7 zinc oxide 34 4.11.8 The total barium content (in the form of barium sulfate calculated) 36 4.11.9 barium carbonate 36 4.11.10 total antimony content 37 4.11.11 titanium dioxide content 38 Determination of rubber polymer 5 40 5.1 Scope 40 5.2 Direct determination of natural rubber and synthetic polyisoprene rubber polymer 40 5.3 Determination of the chlorine content of the oxygen flask combustion method 44 Estimation 5.4 NBR polymer content 46 Direct determination 5.5 IIR polymer 47 An estimated 5.6 SBR polymer 48 5.7 The method of identification with the instrument rubber 51 Appendix A (informative) zinc - sulfur content measured nitrate 52 A. 1 Scope 52 A. Reagent 2 52 A. Step 3 Analysis 52 A. 4 Calculation 53 Identification of chemical methods in Appendix B (informative) rubber polymer 54 B. 1 Scope 54 B. 2 Reagents and materials 54 B. 3 Instrument 55 B. 4 Sample 56 B. 5 analysis step 56ForewordThis standard ASTMD297-1993 (re-approved in 2006), "Rubber Products chemical analysis methods" (in English) for the degree of agreement Non-equivalent. This standard replaces GB/T 13644-1992 "vulcanized rubber - Determination of magnesium content CyDTA titration method", GB/T 13645-1992 "Vulcanized rubber - Determination of calcium content EGTA titration method", GB/T 14836-1993 "Qualitative analysis of vulcanized rubber ash" GB/T 18174-2000 "Determination of silica content rubber", GB/T 7766-2000 "Determination of nitric rubber carbon black content Digestion ", GB/T 9875-2001" Identification of chemical methods "rubber polymer. The main technical differences between standard compared with the above-mentioned six criteria are as follows. --- Added generic chemical analysis methods, including the scope (of the standard 4.1), sample preparation and test requirements (this standard 4.2), the sample Preliminary Determination (This standard is 4.3); --- Increased the determination of the content of the rubber polymer (this standard 4.4); --- Increasing the content of complexing agent method (this standard 4.5); --- Increasing the density of the analytical method (this standard 4.7); --- Increased by 8 methods of determining extractives (this standard 4.8); --- Increase the determination of three kinds of sulfur (4.9 of this standard); --- An increase of 3 fillers analytical methods (this standard 4.10); --- Increasing the analysis and determination of ash (4.11 of this standard); --- All revised test procedure. The Standard Appendix A, Appendix B are informative appendices. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standards Commission rubber rubber physical and chemical test methods Technical Committee (SAC/TC35/SC2) centralized. The main drafting standard units. Beijing Rubber Industry Research and Design Institute, the Double Star Group Co., Ltd. Double Star Dongfeng Tyre Co. the company. The main drafters of this standard. Zhang Yan, Hu Ogata, Cang Feifei, Jiangyun Ping, Chang Yan, Xie Junfang, Ding Xiaoying, Liu Xuemin, Liu Jian love, Hu Mengjia. This standard replaces the standards previously issued as follows. --- GB/T 13644-1992; --- GB/T 13645-1992; --- GB/T 14836-1993; --- GB/T 18174-2000; --- GB/T 7766-1987; GB/T 7766-2000; --- GB/T 9875-1988; GB/T 9875-2001. Rubber products, chemical analysis methods Warning --- use the national standard regular staff should have practical experience of laboratory work, this standard does not point out all possible security Wide issues, the user has the responsibility to use appropriate safety and health practices and to ensure compliance with the relevant provisions of state laws and regulations.1 Scope1.1 standard specifies a method for determining the content of the rubber components and products, including the Common test methods for measuring the rubber polymer content method. 1.2 This standard applies to "R" series (see GB/T 5576) of the rubber component of qualitative and quantitative analysis. Many of which can be Analysis for natural rubber or synthetic rubber.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequently Some amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Study whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Preparation of GB/T 601 chemical reagent standard titration solution GB/T 1232.1 - Part 1 uncured rubber measured by shearing disc viscometer. Mooney viscosity measurement (GB/T 1232.1-2000, eqv ISO 289-1.1994) GB/T 4499 vulcanized rubber anti-aging agent measured by thin layer chromatography (GB/T 4499-1997, ISO 4645. 1984, neq) GB/T 5576, and latex rubber nomenclature (GB/T 5576-1997, ISO 1629.1995, idt) GB/T 6003.1 woven wire mesh test sieve (GB/T 6003.1-1997, ISO 3310-1.1990, eqv) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-1992, ISO 3696. 1987, neq) GB/T 7359 term synthetic rubber (GB/T 7359-1999, ISO 1382.1996, eqv) GB/T 7764 Rubber identify infrared spectroscopy (GB/T 7764-2001, ISO 4650. 1984, eqv) GB/T 8322 molecular absorption spectrometry term (GB/T 8322-1987, ISO 6286. 1982, neq) GB/T 14838 Rubber and rubber products - Determination of precision for test method standards (GB/T 14838-1993, ISO /T R9272. 1986neq) ISO 383. 1976 Laboratory glassware --- Universal conical ground joints ISO 7270 rubber polymer (single and with) the identification --- Pyrolysis Gas Chromatography3 ReagentsUnless otherwise specified, the reagents used were of analytical grade reagents, laboratory water should comply with the provisions of the three water or equivalent purity water (see GB/T 6682). 3.1 acetic acid, CH3COOH (99.7%) (GB/T 676) 3.2 formic acid, HCOOH (GB/T 15896) 3.3 hydrochloric acid, HCl (GB/T 622) 3.4 hydrofluoric acid, HF (49%) (GB/T 620) 3.5 nitric acid, HNO3 (GB/T 626) 3.6 phosphoric acid, H3PO4 (85%) (GB/T 1282) 3.7 sulfuric acid, H2SO4 (GB/T 625) 3.8 ammonia, NH3 · H2O (GB/T 631) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 7766-2008_English be delivered?Answer: Upon your order, we will start to translate GB/T 7766-2008_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 10 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 7766-2008_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 7766-2008_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+ countriesQuestion 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.Question 5: Should I purchase the latest version GB/T 7766-2008?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 7766-2008 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
