GB/T 503-2016Determination of the gasoline octane number—Test method for motor octane number (English PDF)
汽油辛烷值的测定 马达法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 14, 2016
Implementation date
January 1, 2017
Scope
GB/T 503-2016 is the English-translated version of 汽油辛烷值的测定 马达法.
GB/T 503-2016 is the Chinese standard "Determination of the gasoline octane number—Test method for motor octane number". Its scope clause reads: This standard specifies the test method for the determination of gasoline octane number (motor method) using a CFR octane number testing machine.
This standard is applicable to the determination of the octane number of the ignition engine fuel motor, and is not applicable to fuels consisting mainly of oxygen-containing compounds and Its fuel component.
Note. The octane number ranges from 0 to 120, but the effective motor octane number of this standard is in the range of 40 to 120 ° C. Car spark-ignition engine city The fuel octane number is in the range of 80 to 90.
The commercial fuel motor octane number of the aviation spark ignition engine ranges from 98 to 102 between. Tests of gasoline blending components or other liquid substances can be obtained at different levels of motor octane number.
The values of this standard operating condition are expressed in [SI] International unit units indicate that the brackets in Chinese and English units indicate values for reference and the technical requirements for standard CFR engines are expressed in imperial units.
Its clauses include normative reference documents; terms and definitions, abbreviations.
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Document preview — GB/T 503-2016
National Standard of the People's Republic of China
- ICS
- 75.160.20
- Classification
- E 30
- Replacing
- GB/T 503-1995
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 5 method application
- 6 Interference factors
- 7 instruments and equipment
- 8 reagents and standards
- 9 sampling
- 11 engine standardization
- 12 Test parameter characteristics
- 16 Method D --- Interpolation (octane number analyzer OA)
- 18 Precision and Deviation
- 19 Report
- Appendix A (Normative Appendix) Safety Warnings
- Appendix B (Normative Annex) Component Information and Installation Instructions
- Appendix C (Normative Appendix) Standard Fuel Mixing Table
- Appendix D (Normative Appendix) Knock Intensity Operation Table and Cylinder Height Compensation Value Operation Table
- Appendix E (informative) Auxiliary equipment
- Appendix F (informative) Instruments and procedures for blending volume to standard fuels
- Appendix G (informative) Operational specifications Variable adjustment
- Appendix H (informative) Maintenance technology
1 Scope
This standard specifies the test method for the determination of gasoline octane number (motor method) using a CFR octane number testing machine.
This standard is applicable to the determination of the octane number of the ignition engine fuel motor, and is not applicable to fuels consisting mainly of oxygen-containing compounds and
Its fuel component.
Note. The octane number ranges from 0 to 120, but the effective motor octane number of this standard is in the range of 40 to 120 ° C. Car spark-ignition engine city
The fuel octane number is in the range of 80 to 90. The commercial fuel motor octane number of the aviation spark ignition engine ranges from 98 to 102 between. Tests of gasoline blending components or other liquid substances can be obtained at different levels of motor octane number. The values of this standard operating condition are expressed in [SI]
International unit units indicate that the brackets in Chinese and English units indicate values for reference and the technical requirements for standard CFR engines are expressed in imperial units.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 3144 Determination of hydrocarbon impurities in toluene by gas chromatography
GB/T 4756 Petroleum liquid manual sampling method (GB/T 4756-1998, eqvISO 3170. 1988)
GB/T 6682-2008 Analytical laboratory water specifications and test methods (ISO 3696. 1987MOD)
GB/T 8120 high purity n-heptane and isooctane purity determination (capillary chromatography)
Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170
GB/T 11133 Determination of water content of liquid petroleum products (Karl Fischer method)
Determination of peroxide value of jet fuel
SH/T 0521 Ethylene glycol and propylene glycol engine coolant
SY/T 5317 Automatic sampling of oil and liquid pipelines (SY/T 5317-2006, ISO 3171. 1988, IDT)
3 terms and definitions, abbreviations
3.1 Terms and definitions
The following terms and definitions apply to this document.
3.1.1 Recognized standard value accepted resertvalue
The parties agree that the standard values used for comparison are derived from.
a) theoretical values or measured values based on scientific principles;
b) the value conferred on the basis of a test by a State or an international organization;
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 67 pages — is available in the English PDF.
Referenced standards
Cited by
- GB 1787-2026Aviation piston engine fuels
- GB/T 37322-2026Evaluation of gasoline cleanliness - Simulation test method for intake valve deposits in gasoline engines
- GB 18351-2025Ethanol gasoline for motor vehicles
- GB/T 22030-2025Blendstocks of ethanol gasoline for motor vehicles
- GB 1787-2018Aviation piston engine fuels
- GB/T 36563-2018Methanol to gasoline component oil
Similar standards
Editions of GB/T 503
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 503-2016 | Determination of the gasoline octane number—Test method for motor octane number | current edition | Current |
| GB/T 503-1995 | Determination of the gasoline octane number—Test method for motor octane number | previous edition | Superseded |
This page sells the current edition, GB/T 503-2016. Earlier editions are listed for reference only.
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