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SH/T 1825-2019: (Industrial carbon nine aromatics)
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(Industrial carbon nine aromatics)
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SH/T 1825-2019
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Basic data | Standard ID | SH/T 1825-2019 (SH/T1825-2019) | | Description (Translated English) | (Industrial carbon nine aromatics) | | Sector / Industry | Petrochemical Industry Standard (Recommended) | | Classification of Chinese Standard | G17 | | Classification of International Standard | 71.080.15 | | Word Count Estimation | 15,141 | | Date of Issue | 2019-12-24 | | Date of Implementation | 2020-07-01 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the terms and definitions, product classification, requirements, sampling, inspection rules, signs, labels and accompanying documents, packaging, transportation and storage of C9 aromatics for industrial use. This standard is applicable to the aromatic hydrocarbons mainly composed of carbon 9 obtained by the catalytic reforming process and separation of naphtha. | SH/T 1825-2019: (Industrial carbon nine aromatics)---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.
Industrial carbon nine aromatics
Petrochemical Industry Standards of the People's Republic of China
SH/T 1825-2019
Industrial C9 Aromatics
Issued by the Ministry of Industry and Information Technology of the People's Republic of China
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009
This standard was proposed by China Petrochemical Corporation
This standard is under the jurisdiction of the Petrochemical Subcommittee of the National Chemical Standardization Technical Committee (SAC/TC63/SC4)
The main drafting organizations of this standard. China National Petroleum Corporation Dalian Petrochemical Company, China Petroleum & Chemical Corporation
Division Shanghai Petrochemical Research Institute, Jiangsu Hualun Chemical Co., Ltd.
Participated in the drafting of this standard. China National Petroleum Corporation Petrochemical Research Institute, Sinochem Quanzhou Petrochemical Co., Ltd.,
Jiangsu Zhengdan Chemical Industry Co., Ltd., Nanjing Oil Refinery Co., Ltd., Dalian Fujia Dahua Petrochemical Co., Ltd.
The main drafters of this standard. Zou Limei, Sun Qi, Kong Dejin, Zhu Weiqian, Wang Yongchang, Hou Min, Wu Yibiao, Xue Huifeng, Xu Chunyang,
Wang Fu, Pu Guifen, Lin Nan
This standard is issued for the first time
Industrial C9 Aromatics
Warning. If appropriate precautions are not followed, the products covered by this standard may be dangerous during production, storage, transportation, and use.
This standard does not intend to make recommendations for all safety issues related to this product. Users are responsible for establishing appropriate safety before using this standard.
Comprehensive and preventive measures, and determine the applicability of relevant regulatory restrictions
1 Scope
This standard specifies the terms and definitions, product classification, requirements, sampling, inspection rules, signs, labels and
Accompanying documents, packaging, transportation and storage
This standard is applicable to the aromatic hydrocarbons mainly composed of carbon nine obtained by the process and separation of naphtha through the catalytic reforming process.
Raw material for producing xylene, trimethylbenzene and high boiling point aromatic solvent
2 Normative references
The following documents are indispensable for the application of this document. All dated reference documents. Only dated versions apply to this article.
All reference documents are undated, and the latest version (including all amendments) is applicable to this document
GB 190 Packaging Marking of Dangerous Goods
GB/T.2013-2010 Density determination method for liquid petrochemical products
GB/T 3723 General Rules for the Safety of Sampling of Industrial Chemical Products
GB/T 6283 Determination of moisture content in chemical products Karl Fischer method (general method)
GB/T 6678 General Rules for Sampling of Chemical Products
GB/T 6680 General Rules for Sampling of Liquid Chemical Products
GB/T 8170 Numerical rounding rules and the expression and determination of limit values
GB 13690 General Rules for Classification and Hazard Publicity of Chemicals
GB 30000.7 Chemical Classification and Labeling Specification Part 7.Flammable Liquid
SH/T 0164 Petroleum products packaging, storage, transportation and delivery acceptance rules
SH/T 0246 Determination of water content in light petroleum products (electrical method)
SH/T 0630 Determination of Bromine Price and Bromine Index of Petroleum Products (Coulometric Method)
SH/T 0657 Determination of trace nitrogen in liquid petroleum hydrocarbons Oxidative combustion and chemiluminescence method
SH/T 0689 Determination of total sulfur content in light hydrocarbons, motor fuels and other oils (ultraviolet fluorescence method)
SH/T 1147 Determination of Trace Sulfur in Industrial Aromatic Hydrocarbons Microcoulometric Method
SH/T 1551 Determination of Bromine Index of Industrial Aromatic Hydrocarbons by Coulometric Titration
SH/T 1757 Determination of organic chlorine in industrial aromatic hydrocarbons Microcoulometric method
SH/T 1767 Determination of Bromine Index of Industrial Aromatic Hydrocarbons by Potentiometric Titration
SH/T 1820 Industrial aromatic hydrocarbons. Determination of trace sulfur. Ultraviolet fluorescence method
SH/T 1821 Determination of trace nitrogen in industrial aromatics by chemiluminescence method
3 Terms and definitions
The following terms and definitions apply to this document
4 Product Categories
The products are divided into type Ⅰ, type Ⅱ and type Ⅲ according to different purposes. They are used for the production of xylene, trimethylbenzene and high-boiling aromatic solvents.
5 requirements
The technical requirements and test methods of industrial C9 aromatic hydrocarbons should meet the requirements of Table 1.
6 Sampling
According to the safety and technical requirements specified in GB/T 3723, GB/T 6678 and GB/T 6680, the sampling volume should meet the requirements of inspection and sample retention
7 Inspection rules
7.1 Inspection items and inspection classification
All items specified in Table 1 of this standard are ex-factory inspection items
7.2 Group batch
The same quality and uniform products are a batch, which can be batched according to the production cycle, production shift or product storage tank
7.3 Judgment rules
The test results are determined according to the rounding value comparison method specified in GB/T 8170.The test results are all in line with the technology in Table 1 of this standard.
When requested, the batch of products will be judged to be qualified
7.4 Re-inspection rules
If one of the test results does not meet the requirements of this standard, it should be in accordance with GB/T 3723, GB/T 6678 and GB/T 6680.
If the re-inspection result still does not meet the requirements of this standard, the batch of products will be judged to be unqualified.
8.Signs, labels and accompanying documents
8.1 Marks and labels
C9 aromatic hydrocarbons for industrial use are flammable liquids. Please refer to Appendix B for relevant safety information. The hazard signs are in accordance with GB 13690,
8.2 Accompanying documents
Each batch of factory products should be accompanied by a quality certificate, which includes. manufacturer name, product name, grade, batch number or production date
Period, inspection results and number of this standard, etc.
9 Packaging, transportation and storage
Packing, transportation, storage and delivery acceptance shall be carried out in accordance with SH/T 0164
Appendix A
(Normative appendix)
Industrial carbon nine aromatic hydrocarbons. Determination of hydrocarbon components. Gas chromatographic method
A.1 Scope
This appendix specifies the gas chromatography method for the determination of total aromatics, non-aromatics after toluene, carbon eight aromatics, trimethylbenzene, and indene in industrial carbon nine
The content of manganese, naphthalene and above
This appendix is applicable to the determination of components with a content of not less than 0.001% (mass fraction) of C9 aromatic hydrocarbons for industrial use
A.2 Method summary
Under the specified test conditions, an appropriate amount of sample is injected into a gas chromatograph equipped with a flame ionization detector (FID).
The column is effectively separated, the peak area is measured, and the content of each component is calculated by the effective carbon number correction area normalization method
A.3 Reagents and materials
A.3.1 Carrier gas. Nitrogen, with a purity of not less than 99.99% (volume fraction)
A.3.2 Combustion gas. hydrogen, the purity is not less than 99.99% (volume fraction)
A.3.3 Auxiliary gas. Nitrogen, the purity is not less than 99.99% (volume fraction)
A.3.4 Auxiliary gas. air, no oil, fully dried and purified
A.3.5 Standard reagents
A. 3.5.1 n-heptane. the purity should not be less than 99.0% (mass fraction)
A. 3.5.2 Benzene. The purity should not be less than 99.0% (mass fraction)
A. 3.5.3 Toluene. the purity should not be less than 99.0% (mass fraction)
A. 3.5.4 Decahydronaphthalene. The purity should not be less than 99.0% (mass fraction)
A. 3.5.5 Para-xylene. The purity should not be less than 99.0% (mass fraction)
A.3.5.6 Cumene. The purity should not be less than 99.0% (mass fraction)
A. 3.5.7 N-Propylbenzene. The purity should not be less than 99.0% (mass fraction)
A. 3.5.8 1-Methyl-4-ethylbenzene. The purity should not be less than 97.0% (mass fraction)
A. 3.5.9 1-Methyl-3-ethylbenzene. The purity should not be less than 97.0% (mass fraction)
A.3.5.10 1-methyl-2-ethylbenzene. The purity should not be less than 99.0% (mass fraction)
A.3.5.11 1ꎬ2ꎬ3-Trimethylbenzene...
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