• TestingCrude oil and petroleum productsOxygenates (alcohols and ethers)

    Oxygenates (alcohols and ethers)

    Automotive fuels – Ethanol as a blending component for petrol – Requirements and test methods according to EN 15376 (STN EN 228)

    PropertyTest method
    Ethanol content + higher saturated alcoholsEC/2870/2000
    - Amendment 2, method B
    Higher saturated mono-alcohols (C3-C5)STN EN 1601
    Methanol contentSTN EN 1601
    Water contentEN 15489
    Inorganic chlorine contentEN 15484
    Copper contentEN 15488
    Total acidity as acetic acidEN 15491
    pHeEN 15490
    Appearancevisual inspection
    PhosphorusEN 15487
    Non-volatile materialEC/2870/2000
    - method II
    SulfurEN 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

    PropertyTest method
    DensitySTN EN ISO 12185
    ASTM D 4052
    Resin content (after flushing)STN EN ISO 6246
    ASTM D 1353
    Water contentSTN EN ISO 12937
    EN 203
    Oxygenates contentASTM D 5501
    SulfurSTN EN ISO 20486
    ASTM D 5453
    ChloridesASTM D 4806
    STN 83 0530-20
    CopperSTN ISO 8288
    ASTM D 4806
    Acids contentASTM D 1613
    STN 65 6070
    pHASTM D 6423
    Appearancevisually
    Table of contentsMTBE ASTM D 5441
    Vapor pressureSTN 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

    PropertyTest method
    Methanol contentASTM D 5501
    Ethanol contentSTM D 5501
    Water contentSTN EN ISO 12937
    EN 203
    Vapor pressureSTN EN 13016
    ASTM D 4953
    Acids contentASTM D 1613
    STN 65 6070
    Resin content (after flushing)STN EN ISO 6246
    ASTM D 1353
    ChloridesASTM D 4806
    STN 83 0530-20
    Total chlorineASTM D 4929
    LeadSTN ISO 8288
    PhosphorusASTM D 3231
    CopperSTN ISO 8288
    ASTM D 4806
    SulfurASTM 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
    PropertyTest method
    DensitySTN EN ISO 12185
    Evaporation residueSTN 46 5735
    Water contentSTN EN ISO 12937
    Aldehyde contentSTN ISO 1388-5
    Carbonyl compounds contentSTN ISO 1388-4
    Acid numberSTN 65 6214,
    ASTM D 664
    CompositionASTM D 5501