GB/T 23510-2009 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 23510-2009 | English | 85 |
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GB/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/GBT23510-2009
NATIONAL 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 Contents
Foreword... 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... 14
Foreword
This 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 vehicles
1 Scope
This 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 references
The 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 Requirements
Fuel methanol for motor vehicles shall meet the technical requirements listed
in Table 1.
4 Test methods
4.1 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 rules
5.1 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, storage
6.1 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 Safety
7.1 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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