GB/T 3780.14-2019_English: PDF (GB/T3780.14-2019)
Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
GB/T 3780.14-2019 | English | 199 |
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Carbon black -- Part 14: Determination of sulfur content
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GB/T 3780.14-2019
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GB/T 3780.14-2010 | English | 439 |
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Carbon black -- Part 14: Determination of sulfur content
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GB/T 3780.14-2010
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GB/T 3780.14-1995 | English | 239 |
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Carbon black--Determination of sulphur content
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GB/T 3780.14-1995
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GB 3780.14-1983 | English | 199 |
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Carbon black--Determination of sulphur content (combustion furnace method)
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GB 3780.14-1983
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Standard 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 | 10,177 | Date of Issue | 2019-08-30 | Date of Implementation | 2020-07-01 | Drafting Organization | Shandong Neste Carbon Black Co., Ltd., Zhonghao Heiyuan Chemical Research and Design Institute Co., Ltd., Jiangxi Heimao Carbon Black Co., Ltd., Shandong Lianke New Materials Co., Ltd., Longxing Chemical Co., Ltd., Shandong Huadong Rubber Materials Co., Ltd. | Administrative Organization | National Standardization Technical Committee of Rubber and Rubber Products (SAC/TC 35) | Proposing organization | China Petroleum and Chemical Industry Federation | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | Standard ID | GB/T 3780.14-2010 (GB/T3780.14-2010) | 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 | 11,152 | Date of Issue | 2010-08-09 | Date of Implementation | 2011-05-01 | Older Standard (superseded by this standard) | GB/T 3780.14-1995 | Quoted Standard | GB 3778; GB/T 3780.8; GB/T 8170 | Adopted Standard | ISO 1138-2007, MOD; ISO 15671-2000, MOD | Drafting Organization | Carbon Black Rubber Industry Research and Design Institute Group | Administrative Organization | National Rubber and rubber products for Standardization Technical Committee | Regulation (derived from) | National Standard Approval Announcement 2010 No.3 (Total No.158) | Proposing organization | China Petroleum and Chemical Industry Association | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | Summary | This standard specifies the set bomb calorimeter, carbon method for the determination of total sulfur content of the combustion furnace and automatic analyzer method. This section applies to carbon black for rubber. | Standard ID | GB/T 3780.14-1995 (GB/T3780.14-1995) | Description (Translated English) | Carbon black--Determination of sulphur content | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | G49 | Classification of International Standard | 83.040.20 | Word Count Estimation | 6,642 | Date of Issue | 1995/12/20 | Date of Implementation | 1996/8/1 | Older Standard (superseded by this standard) | GB/T 3780.14-1983 | Adopted Standard | ISO 1138-1981, MOD | Regulation (derived from) | Announcement of Newly Approved National Standards 2010 No. (No. 158 overall) 3 | Proposing organization | Ministry of Chemical Industry of the People Republic of China | Issuing agency(ies) | State Bureau of Technical Supervision |
GB/T 3780.14-2019
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
Foreword
GB/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 Scope
This 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 references
The 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.
......
GB/T 3780.14-2010
Carbon black Part 14. Determination of sulfur content
ICS 83.040.20
G49
National Standards of People's Republic of China
Replacing GB/T 3780.14-1995
Determination of sulfur content. black Part 14
(ISO 1138.2007, Rubbercompoundingingredients-Carbonblack-
Determinationofsulfurcontent, MOD; ISO 15671.2000, Rubberand
anautomaticanalyser, MOD)
Issued on. 2010-08-09
2011-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 3780 "black" is divided into the following parts.
--- Part 1. Iodine adsorption test method;
--- Part 2. Determination of oil absorption value;
--- Part 4. Determination of compression oil absorption value of the sample;
--- Part 5. Determination of the specific surface area 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. Check the impurities;
--- Part 14. Determination of sulfur content;
--- Part 15. Determination of light transmittance of toluene extract;
--- Part 17. Indirect determination of particle size reflectance method;
--- Part 18. Identification of natural rubber (NR) in;
--- Part 21. Rubber compounding ingredients - Determination of sieve residue - Water washing method.
This part of GB/T 3780 Part 14.
The partial modification of the use of ISO 1138.2007 "Rubber compounding ingredients - Carbon black Determination of sulfur content" (English version), ISO 15671.2000
"Rubber and rubber additives automatic analyzer method Total sulfur content" (in English).
This section according to ISO 1138. 15671 2007 and ISO .2000 redrafted. This section lists the chapter in Appendix A, and Article
ISO 1138.2007 and ISO 15671.2000 chapter, shall control list numbered.
Taking into account China's national conditions, in the use of ISO 1138.2007 and ISO 15671.2000 when this part has made several modifications. This portion
ISO 1138.2007 and ISO 15671.2000 The main differences are as follows.
--- The ISO 1138.2007 and ISO 15671.2000 range have been combined (Part 1);
--- Increasing the GB 3778, GB/T 3780.8, GB/T 8170, to comply with China's national conditions (Part 2);
--- Increasing the silver nitrate solution, convenient standard user (this section 3.2.4);
--- Increase "pressure at least 3MPa", increased operability (ISO 1138.2007 3.3.1; this section 3.3.1);
--- Added "sampling" to improve the operability of this section (in this section 3.4,4.4,5.4);
--- Will be modified by controlled temperature oven (105 ± 2) ℃ to (125 ± 1) ℃, in order to unify the operation (ISO 1138. 4.3.9 2007's;
Excerpts 3.3.4,4.3.9);
--- Added "drier" to improve the operability of this section (in this section 3.3.7);
--- Added "1 oxygen bomb calorimeter schematic structure diagram", "2 a sectional view of the oxygen bomb" and "3 combustion furnace Instrument
Map "to facilitate a standard user (in this part of the Figs. 1, 2, 3);
--- Increase "should be consistent with the size of the combustion tube specifications," adds operability (ISO 1138.2007 4.3.3; this section 4.3.3);
--- Edit "accurate to 1mg" to "accurate to 0.1mg", in order to improve the accuracy of the test (ISO 1138.2007 4.4.1; this section
4.5.1);
--- The ISO 1138.2007 6 decomposition of this Part 5.5.1 "Preparing the instrument" and 5.5.2 "Calibration of the instrument," and these two
Section included in this part of the analysis step 5.5, while increasing 5.5.3 "measurement sample" of this section, to make the structure more standard
Clear;
--- Increase the value of the calculation results of the test method, the results of standardized values \u200b\u200b(this part 3.6.2,4.6.2,5.6.2);
--- A, B law provisions increased precision, rigor raise the standard (section 6.1.1);
--- Remove the ISO 1138.2007 in 5 "C Method. automatic analyzer method", this section corresponds to the ISO 15671.2000;
--- Remove the ISO 15671.2000 2 "Terms and Definitions", while the national standard regulations;
--- Remove the ISO 15671.2000 in Chapter 9, detailed description of the precision and bias, leaving only a predetermined precision, precision
Another provision of the national standards (in this section 6.1.2,6.2).
For ease of use, this section also made the following editorial changes.
a) Remove the ISO foreword, preface part of this increase, in line with our national standard format requirements;
b) "this International Standard" be replaced by "this section";
c) the use of SI units;
d) increase the informative Appendix A "in this section reg number and ISO 1138.2007 and ISO 15671.2000 reg number control";
e) with a decimal point "." instead of as the decimal point symbol "."
This Part replaces GB/T 3780.14-1995 "Determination of sulfur content of carbon black."
Section compared with the GB/T 3780.14-1995 The main changes are as follows.
a) modify the standard name;
b) increasing the silver nitrate solution (this version 3.2.4);
c) will be modified by a temperature controlled oven (105 ± 2) ℃ to (125 ± 1) ℃, and adds "gravity convection type" (1995 version 5.4,
13.9; Excerpts 3.3.4,4.3.9);
d) an increase of "1 oxygen bomb calorimeter schematic structure diagram", "2 a sectional view of the oxygen bomb" and "3 combustion furnace Instrument map"
(Excerpts of FIGS. 1, 2, 3);
e) increasing the "effective desiccant containing" (1995 version 5.7; this version 3.3.7);
f) the sulfur content of the formula has been modified [1995 version 8.1 (1); 3.6.1 Excerpts of formula (1)];
g) the "sampling" has been redefined (Excerpts 3.4,4.4);
h) increase the "automatic analyzer method (C Act)" (edition 5).
Appendix A of this section is an informative annex.
This part is proposed by the China Petroleum and Chemical Industry Association.
This part of the National Rubber and rubber products Standardization Technical Committee of carbon black Technical Committee (SAC/TC35/SC5) centralized.
This section is drafted. Rubber Group Carbon Black Research & Design Institute, Qingzhou City Us silica limited liability company.
The main drafters of this section. Niesu Qing, Gu Cuiping, Zhong Lei.
This standard replaces the standards previously issued as follows.
--- GB/T 3780.14-1983, GB/T 3780.14-1995.
Determination of sulfur content. black Part 14
Warning. Use GB/T 3780 this part of the staff should have regular experience of laboratory work. This section does not indicate 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 Scope
GB/T 3780 provisions of this part of the oxygen bomb calorimeter method (A method), furnace method (B method) and automatic analyzer method (C method)
Method for Carbon Black total sulfur content.
This section applies to carbon black for rubber.
2 Normative references
The following documents contain provisions which, through reference to GB/T 3780 to the present, constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB 3778 carbon black for rubber
GB/T 3780.8 black - Part 8. Determination of loss on heating (GB/T 3780.8-2008, ISO 1126.2006, Rubber
compoundingingredients-Carbonblack-Determinationoflossonheating, MOD)
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
3 oxygen bomb calorimeter method (A method)
3.1 Principle
Weigh the right amount of dried carbon black sample in the oxygen bomb calorimeter ignited. Oxygen bomb combustion will open, rinse the inner surface thereof, with burning
Cup to collect the laundry, the laundry was collected and weighed in the form of barium sulfate precipitation of sulfur to calculate the percentage content of sulfur.
3.2 Reagents and materials
Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity.
3.2.1 barium chloride solution. 100g/L, 100g dissolving barium chloride (BaCl2 · 2H2O) in water and diluted to 1000mL.
3.2.2 hydrochloride, ρ20 = 1.19g/mL.
3.2.3 2,4,6-trinitrophenol (picric acid) saturated solution. having the right amount of picric acid was added to a glass bottle containing water plugs. Full swing
Bottles, picric acid was dissolved and the solution reached saturation. After saturation, the solution should be left a little picric acid crystals.
3.2.4 silver nitrate solution. 17g/L, dissolve 17g of silver nitrate (AgNO3) in water and dilute to 1000mL.
3.2.5 oxygen cylinder reservoir of sufficient purity for industrial use installed (no sulfur compounds) oxygen.
3.3 Instrument
3.3.1 oxygen bomb calorimeter (see Figures 1 and 2), the pressure at least 3MPa, the crucible with the ignition transformer, ignition wire, with fuel container, oval
Round barrel calorimeter jacket, oxygen bomb calorimeter water circulation around the electric mixer, as well as the range of (19 ~ 35) ℃, accuracy of 0.02 ℃
Calorimeter thermometer.
3.3.2 oxygen bottle with oxygen bomb calorimeter is connected to the connector and regulator.
3.3.3 porcelain crucible volume 30mL.
3.3.4 oven, gravity convection, the temperature can be adjusted (125 ± 1) ℃.
3.3.5 furnaces, temperature controlled at (925 ± 25) ℃.
3.3.6 filter funnel, Bunsen (Bunsen) long tube filter funnel, angular grooves of 60 °.
......
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