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SN/T 2185-2008: Standard practice for convenient compression pressure indexing in determination of gasoline research octane number
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2185-2008 | English | 169 |
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Standard practice for convenient compression pressure indexing in determination of gasoline research octane number
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SN/T 2185-2008
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Basic data | Standard ID | SN/T 2185-2008 (SN/T2185-2008) | | Description (Translated English) | Standard practice for convenient compression pressure indexing in determination of gasoline research octane number | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | E31 | | Word Count Estimation | 6,671 | | Date of Issue | 2008-09-04 | | Date of Implementation | 2009-03-16 | | Quoted Standard | GB/T 5487 | | Regulation (derived from) | Industry standard filing Notice No. 11 of 2008 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the ASTM test machine using single-cylinder detonation, also defines toluene calibration fuel (TSF) and the benchmark reference fuel (PRF) compression ratio and counter readings curve. This standard applies to the determination of research octane number of gasoline. | SN/T 2185-2008: Standard practice for convenient compression pressure indexing in determination of gasoline research octane number
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Standard practice for convenient compression pressure indexing in determination of gasoline research octane number
Exit inspection and quarantine industry standard book People's Republic of China
Gasoline research octane number determination
Compression pressure fast retrieval 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
Appendix A of this standard is a normative appendix.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Liaoning Entry Inspection and Quarantine Bureau, Dalian City Product Quality Supervision, Inspection, produced in Yunnan
Product Quality Supervision and Inspection Center, Logistical Engineering University of PLA Oil test assessment center.
The main drafters of this standard. Wang Wen bucket, Mu Chun, Sun Chih-Ching, Dai Bin, to show filial piety, Sunyan Wei, Zhang Xuezhong, SONG far.
This is the first issue of inspection and quarantine industry standards.
Gasoline research octane number determination
Compression pressure fast retrieval method
1 Scope
1.1 standard specifies the use of a single cylinder knock the ASTM test machine, but also defines the fuel calibration toluene (TSF) and reference the reference fuel
Material (PRF) of the compression ratio and counter readings between curves.
1.2 This standard applies to the determination of the research octane number of gasoline.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, 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/T 5487 Determination of gasoline octane number (research)
3 Terms and Definitions
GB/T 5487 terms and definitions apply to this standard.
4 Reference Fuel
4.1 isooctane (2,2,4-trimethyl pentane), purity ≥99.75%, wherein. n-heptane ≤0.10%, lead ≤0.0005g/L.
4.2 n-heptane, purity ≥99.75%, wherein. iso-octane ≤0.10%, lead ≤0.0005g/L.
Toluene 4.3, purity> 99.5%, water < 200mg/kg, a peroxide value of < 200mg/kg.
4.4 PRF and the blending ratio of iso-octane and the corresponding octane Table 1.
Table 180 octane blending ratio PRF and iso-octane and the corresponding octane
Octane 80 octane PRF (volume fraction) /% iso-octane (volume fraction) /%
90.0 50 50
93.0 35 65
97.0 1585
4.5 TSF blending ratio shown in Table 2.
Table 2 TSF calibration check
TSF octane reference and evaluation Tolerance
TSF composition PRF blending ratio (volume fraction) /%
Toluene, n-heptane isooctane
Scope octane fuel sample
89.3 ± 0.3 70 0 30 87.1 ~ 91.5
93.4 ± 0.3 74 0 26 91.2 ~ 95.3
96.9 ± 0.3 74 5 21 95.0 ~ 98.5
5 Test conditions
Meet GB/T 5487, wherein the intake air temperature is determined according to Table 3, broadening adjustments to (12 to 15) indexing/octane.
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