Oxygenates (alcohols and ethers)
Automotive fuels – Ethanol as a blending component for petrol – Requirements and test methods according to EN 15376 (STN EN 228)
| Property | Test method |
|---|---|
| Ethanol content + higher saturated alcohols | EC/2870/2000 - Amendment 2, method B |
| Higher saturated mono-alcohols (C3-C5) | STN EN 1601 |
| Methanol content | STN EN 1601 |
| Water content | EN 15489 |
| Inorganic chlorine content | EN 15484 |
| Copper content | EN 15488 |
| Total acidity as acetic acid | EN 15491 |
| pHe | EN 15490 |
| Appearance | visual inspection |
| Phosphorus | EN 15487 |
| Non-volatile material | EC/2870/2000 - method II |
| Sulfur | EN 15486 |
Test of oxygenates according to requirements of:
- Directive 2001/27/EC / ASTM D 4806 (Ethanol)
- European Fuel Oxygen Association / ASTM D 5983 (MTBE)
used as blending component for automotive fuels
| Property | Test method |
|---|---|
| Density | STN EN ISO 12185 ASTM D 4052 |
| Resin content (after flushing) | STN EN ISO 6246 ASTM D 1353 |
| Water content | STN EN ISO 12937 EN 203 |
| Oxygenates content | ASTM D 5501 |
| Sulfur | STN EN ISO 20486 ASTM D 5453 |
| Chlorides | ASTM D 4806 STN 83 0530-20 |
| Copper | STN ISO 8288 ASTM D 4806 |
| Acids content | ASTM D 1613 STN 65 6070 |
| pH | ASTM D 6423 |
| Appearance | visually |
| Table of contents | MTBE ASTM D 5441 |
| Vapor pressure | STN EN 13016-1 ASTM D 4953 |
Methanol tests according to ASTM D 5797 as fuels M70 – M85 for gasoline engines
Ethanol tests according to ASTM D 57987 as fuels E70 – E85 for gasoline engines
| Property | Test method |
|---|---|
| Methanol content | ASTM D 5501 |
| Ethanol content | STM D 5501 |
| Water content | STN EN ISO 12937 EN 203 |
| Vapor pressure | STN EN 13016 ASTM D 4953 |
| Acids content | ASTM D 1613 STN 65 6070 |
| Resin content (after flushing) | STN EN ISO 6246 ASTM D 1353 |
| Chlorides | ASTM D 4806 STN 83 0530-20 |
| Total chlorine | ASTM D 4929 |
| Lead | STN ISO 8288 |
| Phosphorus | ASTM D 3231 |
| Copper | STN ISO 8288 ASTM D 4806 |
| Sulfur | ASTM D 3120 |
Tests of alcohols for industrial use:
- Methanol technical grade in line with requirements of STN 66 1205
- Ethanol for industrial use in line with requirements of STN ISO 1388
- Denatured alcohol (ethanol) in line with requirements of STN 66 0860
- Butyl alcohol synthetic technical grade in line with requirements of STN 65 1251
| Property | Test method |
|---|---|
| Density | STN EN ISO 12185 |
| Evaporation residue | STN 46 5735 |
| Water content | STN EN ISO 12937 |
| Aldehyde content | STN ISO 1388-5 |
| Carbonyl compounds content | STN ISO 1388-4 |
| Acid number | STN 65 6214, ASTM D 664 |
| Composition | ASTM D 5501 |
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