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GB/T 23510-2009: Vehicle fuel methanol Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 23510-2009: Vehicle fuel methanol---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT23510-2009NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 71.080.60 G 16 Fuel methanol for motor vehicles Issued on. APRIL 08, 2009 Implemented on. NOVEMBER 01, 2009 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People's Republic of China. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Requirements... 5 4 Test methods... 6 5 Inspection rules... 11 6 Marks, packaging, transport, storage... 12 7 Safety... 13 Annex A (informative) Determination method for methanol content in fuel methanol for motor vehicles... 14ForewordThis Standard is not equivalent to the American Society for Testing and Materials Standard ASTM D1152.2006 "Methanol" (English version). Annex A of this Standard is informative. This Standard was proposed by China Petroleum and Chemical Industry Association. This Standard shall be under the jurisdiction of Subcommittee on Organic of National Technical Committee on Chemicals of Standardization Administration of China (SAC/TC 63 / SC 2). The drafting organizations of this Standard. Changan University, China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Industry, Xin’ao Group Co., Ltd., Southwest Chemical Research and Design Institute, Shanxi Wharton Industrial Co., Ltd., Shaanxi Changzheng New Energy Co., Ltd., Yankuang Group Co., Ltd., Jiangsu Nanda High-Tech Industry Co., Ltd., Pingmei Lantian Chemical Co., Ltd., Shaanxi Shenmu Chemical Industry Co., Ltd. The participating organizations of this Standard. National Alcohol Ether Fuel and Alcohol Ether Clean Vehicles Professional Committee, Shanxi Province Alcohol Ether Fuel Vehicle Office, Shaanxi Provincial Environmental Protection Bureau, Shaanxi Yanchang Neutral New Energy Co., Ltd. Main drafters of this Standard. Liu Shengquan, Zhang Yubao, Meng Linglong, Guo Yanling, Liu Xueyuan, Wu Yuequ, Zhang Youmin, Guo Baogui, Wang Julin, Geng Jingtang, Hu Gonglin, Xiang Lianbao, Yan Bingqin, He Yongde. Fuel methanol for motor vehicles1 ScopeThis Standard specifies the requirements, test methods, inspection rules as well as marks, packaging, transport, storage and safety of fuel methanol for motor vehicles. This Standard is applicable to production, inspection and sales of fuel methanol for motor vehicles. This product is used as raw material of fuel methanol for motor vehicles. Molecular formula. CH4O Structural formula. CH3-OH Relative molecular mass. 32.042 (according to 2007 international relative atomic mass)2 Normative referencesThe provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB 190, Packing symbol of dangerous goods GB/T 601-2002, Chemical Reagent - Preparations of Standard Volumetric Solutions GB/T 602-2002, Chemical Reagent - Preparations of Standard Solutions for Impurity (ISO 6353-1.1982, NEQ) GB/T 603-2002, Chemical Reagent - Preparations of Reagent Solution for Use in Test (ISO 6353-1.1982, NEQ) GB/T 8170, Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 3723, Sampling of chemical products for industrial use - Safety in sampling (GB/T 3723-1999, idt ISO 3165.1976) GB/T 4472-1984, Determination of density and relative density for chemical products GB/T 6283-2008, Chemical products - Determination of water Karl·fischer method (general method) (ISO 760.1978, NEQ)3 RequirementsFuel methanol for motor vehicles shall meet the technical requirements listed in Table 1.4 Test methods4.1 Warning Some test procedures specified in the test method may lead to dangerous situations. The operator shall take appropriate safety and protective measures. 4.2 General provisions Unless otherwise stated, only reagents that are confirmed as analytically pure and Grade three water specified in GB/T 6682-2008 are used in the analysis. 4.3 Determination of appearance Add experimental samples to a colorimetric tube. Visually observe under sunlight or fluorescent lamp. 4.7 Determination of acidity or alkalinity 4.7.1 Method summary Sample is diluted by carbon dioxide free water. Use bromothymol blue as an indicator. When the sample is acidic, use sodium hydroxide standard titration solution to titrate free acid. When the sample is alkaline, use sulfuric acid standard titration solution to titrate free base. 4.7.2 Reagents 4.7.4 Analysis steps 4.7.4.1 Use an equal volume of carbon dioxide free water to dilute laboratory sample. Add (4~5) drops of bromo thymol blue indicator solution in identify. If it is yellow, it shall be acidic reaction, and measure the acidity. If it is blue, it shall be alkaline reaction, then measure the alkalinity. 4.8 Determination of inorganic chlorine content 4.8.1 Precipitation titration 4.8.1.3 Analysis steps 4.8.1.3.1 Sample processing Take 300mL of sample in porcelain evaporating dish. Use sodium hydroxide solution to adjust the pH to 8-9.Steam on a water bath to dry. Put in the muffle furnace. Burn at 600°C for 1h. Cool. Use 70mL of water to soak for 20min. Then use 30mL of water to rinse the evaporating dish in three times. Make quantitative transfer to a 250mL Erlenmeyer. 4.8.1.4 Result calculation Chloride content w3, expressed in mg/L, is calculated according to equation (3). where, 4.8.2.2 Analysis steps Instruments and equipment, reagents and solutions, operating procedures and results calculation are performed in accordance with the first method of Annex C of GB 18350-2001. 4.9 Determination of sodium content Perform the determination according to the provisions of GB/T 17476-1998.The preparation of sample is. Weigh two samples separately. Add appropriate amount of internal standard elements. Shake well. The recommended wavelength is 589.59 nm.5 Inspection rules5.1 The inspection is divided into exit-factory inspection and type inspection. 5.1.1 The exit-factory inspection items in Table 1 - appearance, density, boiling range, moisture, acidity or alkalinity - shall be inspected batch by batch. 5.1.2 The type inspection items are all items in Table 1.In the case of normal production, type inspection shall be carried out at least once every three months. Type inspection shall also be carried out in any of the following cases. 5.2 Vehicle fuel methanol is inspected by the quality inspection department of the manufacturer. 5.4 Sampling shall be carried out according to the provisions of GB/T 3723, GB/T 6678-2003 and GB/T 6680-2003.The total amount of samples shall not be less than 1L. After thoroughly mixing the samples, they are dispensed into two clean, dry, ground-filled glass bottles. Label the manufacturer's name, product name, batch number, sampling date, and sampler's name. One bottle is for analysis and inspection; another bottle is for future reference. 5.5 The determination of the test results shall be carried out according to the comparison method of the repair value specified in GB/T 1250.6 Marks, packaging, transport, storage6.1 Marks The packaging container for vehicle fuel methanol product shall be coated with a firm mark. The content of the mark shall include manufacturer's name, product name, reference to this Standard, trademark, batch number, net weight and the "flammable liquid" and "drug" signs specified in GB 190. 6.3 Transport 6.3.1 Do not mix and transport with flammable, explosive, corrosive materials during transport. 6.4 Storage 6.4.1 The product shall be stored in a dry, ventilated place at low temperature, away from direct sunlight, heat source and fire. The reservoir area shall meet the requirements of the national fire protection design code. Open storage tanks shall have spray water or other cooling facilities.7 Safety7.1 Hazard warning Fuel methanol for motor vehicles is a flammable liquid. The flash point is 8°C and the auto-ignition temperature is 436°C. Explosion limit in air is 6% ~ 36.5% (volume fraction). 7.2 Safety measures When the fuel methanol for motor vehicles overflows, immediately use water to wash. When the fire is on, use sand, dry powder or anti-solvent foam fire extinguisher, asbestos cloth to put out the fire. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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