BS EN 228 premium unleaded gasoline quality testing and regulatory specifications.
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| BS EN 228 Gasoline Test | BS EN 228 Test Method |
|---|---|
| Appearance, Colour | Visual |
| Water & Suspended matter | Visual |
| Density | IP 160, ASTM D4052, ISO 3675, EN IOS 12185 |
| Distillation Characteristics | IP 123, ISO 3405 |
| I.B.P. 10, 20, 50, 90 % (Initial Boiling Point) | |
| F.B.P. Evaporation @ 70º, 100º, 150º (Final Boiling Point) | |
| Final Boiling Point: Recovery and Residue % | |
| Copper Corrosion Test | IP 154, ASTM D130, ISO 2160 |
| Sulphur Content | IP 336, ISO 14596, ISO8754, IP 373 |
| Existent Gum, (solvent washed) | IP 131, EN26246, ISO 6246 |
| Oxidation Stability, min | IP 40, ASTM D525, ISO 7536 |
| Lead Content | ASTM D3237,D333 , EN237 |
| Benzene Content, % (vol/vol) | ASTM D2267, BS EN238, EN 12177 |
| Research Octane Number | ASTM D2699, 86/BS 2637 :1991, EN25164 |
| Motor Octane Number | ASTM D2700, 86, BS 2638:1991, EN25163 |
| Vapour Pressure Psi/kPa DVPE/ASVP | ASTM D5191, ASTM D323, PR EN 13016 |
| Hydro carbon types (F.I.A.) | IP156, ASTM D1319 |
| Oxygenates | |
| Methanol, Ethanol, IPA, TBA, Ethers C5+ | ASTM D4815, EN 13132 |
| Other organic oxygenates | |
| Oxygen Content | Calculated from ASTM D4815 |
| * Vapour Lock Index | Calc EN228 (Excluding Analysis) |
Gasoline testing:
