GB/T 3780.14-2019 English PDFUS$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 3780.14-2019: Carbon black -- Part 14: Determination of sulfur content Status: Valid GB/T 3780.14: Historical versions
Basic dataStandard ID: GB/T 3780.14-2019 (GB/T3780.14-2019)Description (Translated English): Carbon black -- Part 14: Determination of sulfur content Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G49 Classification of International Standard: 83.040.20 Word Count Estimation: 10,123 Date of Issue: 2019-08-30 Date of Implementation: 2020-07-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 3780.14-2019: Carbon black -- Part 14: Determination of sulfur content---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 - Part 14. Determination of sulfur content ICS 83.040.20 G49 National Standards of People's Republic of China Replace GB/T 3780.14-2010 Carbon black - Part 14. Determination of sulphur content (ISO 1138.2007, Rubbercompoundingingredients- Carbonblack-Determinationofsulfurcontent, MOD) Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued ForewordGB/T 3780 "carbon black" is divided into the following parts. --- Part 1. Test method for iodine absorption; --- Part 2. Determination of oil absorption values; --- Part 4. Determination of the oil absorption value of compressed specimens; ---Part 5. Determination of specific surface area by CTAB method; ---Part 6. Determination of color strength; --- Part 7. Determination of pH; ---Part 8. Determination of heating loss; --- Part 10. Determination of ash; --- Part 12. Inspection of impurities; --- Part 14. Determination of sulfur content; ---Part 15. Determination of light transmittance of toluene extracts; --- Part 17. Indirect measurement of particle size reflectance method; ---Part 18. Identification methods in natural rubber (NR); --- Part 21. Determination of sieve residue water rinse method; --- Part 22. Calculating process capability index using process control data; --- Part 23. Sampling and identification of fugitive carbon black or other environmental particles; --- Part 24. Determination of void volume; ---Part 25. Determination of carbon content; --- Part 26. Determination of carbon content in carbon black feedstocks. This part is the 14th part of GB/T 3780. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 3780.14-2010 "Carbon Black Part 14. Determination of Sulfur Content", and GB/T 3780.14-2010 The main technical changes are as follows. --- Added "where C method is preferred and arbitration method" (see Chapter 1); --- Added "filter paper" (see 3.3.8); --- Deleted "Figure 1 oxygen bomb calorimeter structure diagram" "Figure 2 oxygen bomb cross-sectional view" and "Figure 3 burner furnace instrument diagram" The type of instrument is different, and its structure is different (see Figure 1, Figure 2, Figure 3 of the.2010 edition); --- Added the data recording method of the C method, that is, "the value after the fitting curve can also be recorded according to the operation requirements of the instrument" (see 5.6.2). This section uses the redrafting method to modify the use of ISO 1138.2007 "rubber compound black carbon sulfur determination". This section has more structural adjustments than ISO 1138.2007. This section and ISO 1138.2007 are listed in Appendix A. The bar number comparison checklist. The technical differences between this part and ISO 1138.2007 and their reasons are as follows. ---About the normative reference documents, this part has made technical adjustments to adapt to China's technical conditions, adjustments The situation is reflected in Chapter 2, “Regulatory Citations”, and the specific adjustments are as follows. ● Added GB/T 3780.8 and GB/T 8170 (see Chapter 2); ● Removed ISO 15671.2000 and translated its main content into Chapter 5 of the section (C---Automatic Analyzer Method). For ease of use (see Chapter 5, Chapters 2 and 5 of ISO 1138.2007); --- Increased silver nitrate solution for standard users (see 3.2.4); --- Increased "withstand pressure of at least 3MPa" to increase operability (see 3.3.1); --- Added "sample" to improve the operability of this part (see 3.4, 4.4, 5.4); --- Change the controllable temperature of the oven from (105 ± 2) °C to (125 ± 1) °C, unified operation (see 3.3.4, 4.3.9, ISO 1138.2007) 4.3.9); --- Added "dryer, filter paper" to improve the operability of this part (see 3.3.7, 3.3.8); --- Increase the "size should match the combustion tube" to increase operability (see 4.3.3, ISO 1138.2007, 4.3.3); ---Modify "accurate to 1mg" to "accurate to 0.1mg" to improve test accuracy (see 4.5.1, ISO 1138.2007 4.4.1); --- Decompose Chapter 6 of ISO 1138.2007 into 5.5.1 Instrument Preparation and 5.5.2 Instrument Calibration for this part, and the two parts Refer to the test procedure in this section 5.5, and increase the 5.5.3 sample determination in this section to make the standard structure clearer; --- Increased the value of the calculation test results, the value of the specification results (see 3.6.2, 4.6.2, 5.6.3); --- Added the data recording method of the C method, that is, "the value after the fitting curve can also be recorded according to the operation requirements of the instrument" (see 5.6.2); ---A, B method increases the precision of the regulations, improve the rigor of the standard (see 6.1.1). This section also made the following editorial changes. ---Using the International System of Units; --- Added the informative Appendix A "Structural changes in the number of chapters in this section compared with ISO 1138.2007". This part was proposed by the China Petroleum and Chemical Industry Federation. This part is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35). This section drafted by. Shandong Nester Carbon Black Co., Ltd., Zhonghao Heiyuan Chemical Research and Design Institute Co., Ltd., Jiangxi black cat carbon black shares Co., Ltd., Shandong Lianke New Materials Co., Ltd., Longxing Chemical Co., Ltd., Shandong Huadong Rubber Materials Co., Ltd. The main drafters of this section. Wang Min, Nie Suqing, Lu Junying, Zhang Youwei, Hou Hegang, Guo Lingzhi. The previous versions of the standards replaced by this section are. ---GB/T 3780.14-1983, GB/T 3780.14-1995, GB/T 3780.14-2010. Carbon black - Part 14. Determination of sulphur content Cautions - Personnel using this section should have hands-on experience in formal laboratory work. This section does not point out all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.1 ScopeThis part of GB/T 3780 specifies the use of oxygen bomb calorimeter method (A method), combustion furnace method (B method) and automatic analyzer method (C method) The total sulfur content of carbon black, of which C method is the preferred and arbitration method. This section applies to all types of carbon black.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3780.8 Carbon black - Part 8. Determination of heat loss (GB/T 3780.8-2019, ISO 1126.2015, MOD) GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values 3 A method---oxygen bomb calorimetry 3.1 Principle Weigh an appropriate amount of dried carbon black sample and ignite it in an oxygen bomb calorimeter. After combustion, open the oxygen bomb and rinse the inner surface with water. The cup was collected for washing, and the barium sulfate precipitated with barium chloride was collected and weighed to calculate the sulfur content. 3.2 Reagents and materials Unless otherwise stated, only analytically pure reagents and distilled or deionized water or water of comparable purity were used in the analysis. 3.2.1 Barium chloride solution, 100 g/L. Dissolve 100 g of barium chloride (BaCl 2 · 2H 2 O) in water and dilute to 1000 mL. 3.2.2 Hydrochloric acid, ρ20=1.19g/mL. 3.2.3 2,4,6-trinitrophenol (picric acid) saturated solution. add an appropriate amount of picric acid to a glass bottle filled with water, shake the bottle thoroughly The solution dissolves the picric acid to saturate the solution, and a small amount of picric acid crystals should remain in the saturated solution. 3.2.4 Silver nitrate solution, 17 g/L. Dissolve 17 g of silver nitrate (AgNO3) in water and dilute to 1000 mL. 3.2.5 Oxygen, oxygen in industrial cylinders of sufficient purity (free of sulfur compounds). 3.3 Instrumentation 3.3.1 Oxygen bomb calorimeter with a pressure resistance of at least 3 MPa, equipped with an ignition transformer, an ignition wire, a crucible with a fuel container, an oval barrel, and a calorimeter A gauge, an electric stirrer, and a thermometer with a range of 19 ° C to 35 ° C and a resolution of 0.02 ° C. 3.3.2 Oxygen cylinders with connectors and pressure reducing valves connected to the oxygen bomb calorimeter. 3.3.3 Porcelain crucible, volume 30mL. 3.3.4 Oven, gravity convection type, temperature can be adjusted at (125 ± 1) °C. 3.3.5 High temperature furnace with controllable temperature at (925±25) °C. 3.3.6 Long neck funnel, tapered. 3.3.7 Dryer with an effective desiccant. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3780.14-2019_English be delivered?Answer: Upon your order, we will start to translate GB/T 3780.14-2019_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 3780.14-2019?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3780.14-2019 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. |
