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SN/T 2174-2008: Determination of flash point for dangerous goods of flammable liquids closed cup method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2174-2008 | English | 169 |
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Determination of flash point for dangerous goods of flammable liquids closed cup method
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SN/T 2174-2008
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Basic data | Standard ID | SN/T 2174-2008 (SN/T2174-2008) | | Description (Translated English) | Determination of flash point for dangerous goods of flammable liquids closed cup method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | A80 | | Classification of International Standard | 13.300 | | Word Count Estimation | 6,673 | | Date of Issue | 2008-09-04 | | Date of Implementation | 2009-03-16 | | Quoted Standard | GB 19458; United Nations "on the Recommendations on the Transport of Dangerous Goods. Model Regulations " (fourteenth revised edition); United Nations ' Recommendations on the Transport of Dangerous Goods book Manual of Tests and Criteria " (fourth revised edition) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the dangerous goods closed cup flash point of flammable liquids test equipment, test procedures and test results. This standard applies to flammable liquids of dangerous goods carried Closed Cup Test. | SN/T 2174-2008: Determination of flash point for dangerous goods of flammable liquids closed cup method
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Determination of flash point for dangerous goods of flammable liquids closed cup method
Exit inspection and quarantine industry standard book People's Republic of China
Dangerous flammable liquids Closed Cup Test Method
Posted 2008-09-04
2009-03-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
This revised standard adopts the United Nations "on the Recommendations on the Transport of Dangerous Goods Model Regulations ·" (fourteenth revised edition) and "test and standard
Associate Handbook "(fourth revised edition).
This standard was proposed by the State Administration of Quality Supervision Inspection and Quarantine of People's Republic of China.
This standard by the National Certification and Accreditation Administration Committee.
This standard is drafted by. People's Republic of China Tianjin Exit Inspection and Quarantine.
Participated in the drafting of this standard. the Chemical Institute of Standardization, Jiangnan University, Tianjin Academy of Inspection and Quarantine Science and Technology.
The main drafters of this standard. Lining Tao, in Yanjun, Zhao Lihua, Li Xue Yang, Zhao Qing, Li Jing.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Dangerous flammable liquids Closed Cup Test Method
1 Scope
This standard specifies the dangerous flammable liquids closed cup flash point test test equipment, test procedures and test results.
This standard applies to the determination of closed cup flash point tester dangerous flammable liquid.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references. All subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 19458 safety inspection of hazardous properties of dangerous goods - General specifications
United Nations "on the Recommendations on the Transport of Dangerous Goods Model Regulations ·" (fourteenth revised edition)
United Nations "on the Recommendations on the Transport of Dangerous Goods, Tests and Criteria Handbook" (fourth revised edition)
3 Terms and Definitions
United Nations "on the Recommendations on the Transport of Dangerous Goods Model Regulations ·" (fourteenth revised edition), "on the Recommendations on the Transport of Dangerous Goods *
Manual of Tests and Criteria "(fourth revised edition), GB 19458 and established the following terms and definitions apply to this standard.
3.1
Flammable liquids, liquid mixtures or liquids containing solids, including but not because of its hazardous properties have been included in other categories of liquid,
Flash point, closed cup test flash point equal to or lower than 60 ℃.
3.2
Sample under prescribed conditions is heated to its mixture of vapor and air contacts the minimum temperature of the flame when the flash fire occurred.
4 Instrument
4.1 Closed Cup Tester.
4.2 Thermometer (accuracy of 0.1 ℃).
5 test procedure
5.1 The sample was carefully injected into the closed cup tester, start heating. Upon heating, the following should be noted.
A) The test sample flash point below 50 ℃ from start to finish to the test constantly stirring and sample temperature liters per minute
High 2 ℃ ~ 3 ℃;
B) When the test sample is higher than the flash point of 50 ℃, heating rate began to rise evenly, stirring regularly. Before the expected flash point
40 ℃, adjust the heating rate, so that when the expected flash point 20 ℃ before the heating rate per minute at elevated control 2 ℃ ~ 3 ℃, and
We should constantly stirring.
5.2 Sample temperature reaches 10 ℃ before the expected flash point, ignition test for each sample by the flash point of less than 104 ℃ 1 ℃; For flash point
The sample is higher than 104 ℃ ignition test each by 2 ℃. During this period, it should continue stirring; stirring was stopped only when the ignition. ignition
When the flame in the space containing the vapor 0.5s down on the cup, 1s residence immediately back into place in this position. If you do not see the flash fire,
Continue stirring the sample, as required under this section is repeated test firings.
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