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Cetane Testing

Diesel Fuel Oil Cetane Testing Laboratories

Intertek provides full diesel fuel oil cetane testing through a global network of diesel fuel testing laboratories. The cetane labs test to ASTM and other national and regulatory protocols. The cetane number, cetane index and IQT tests measure the ignition quality of Diesel, Gasoil, Biodiesel, Heating gasoil and number-two fuel oil fuels.

Cetane tests measure diesel and fuel oil characteristics related to fuel quality. Intertek cetane labs measure fuels at refineries, storage facilities and pipelines for cetane ratings and many other properties.

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Cetane Testing for Diesel and Biodiesel fuels Contact or email for information

Cetane Number Tests:

Cetane Test Description

Cetane Test Method

Cetane Number

D613, IP 41, EN ISO 5165

IQT (Ignition Quality Tester)

ASTM D6890, IP 498

Calculated Cetane Index

ASTM D 976

Calculated Cetane Index

ASTM D4737, IP 380, EN 4264

Octane engine tests:

  • ASTM D613, IP 41, EN ISO 5165:
    Standard Test Method for Cetane Number of Diesel Fuel Oil
  • ASTM D4737, IP 380, EN 4264:
    Calculated Cetane Index by Four Variable Equation, Indices & Equations
  • ASTM D 976:
    Calculated Cetane Index of Distillate Fuels

Ignition Quality Tester, IQT:

  • IQT instruments are available in France, Australia and other locations. Please contact Intertek for details.    
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