Gas Oil / Diesel / Middle Distillates

INEOS Laboratory Grangemouth offers a testing service for middle distillate materials, including diesel, gas oil, marine fuel and kerosene.

Product Specification Reference
Automotive fuels: Diesel; Requirements and test methods
Gas oil: Class A2; Automotive distillate fuel for non-road mobile machinery
Gas oil: Class D; Middle distillate fuels for stationary applications
Kerosene: Class C; Characteristics of kerosine-type burner fuels

Gas Oil/ Diesel / Middle Distillates Tests

Tests marked * are ISO17025 accredited

Test Name Method
Density - oscillating U-tube method*
Corrosiveness to copper - Copper Strip Test
Cold filter blocking tendency
Sulphur content - Energy dispersive x-ray fluorescence (EDXRF) spectrometry *
Filter blocking tendency
Distillation characteristics at atmospheric pressure
Transparent and opaque liquids - kinematic viscosity and calculation of dynamic viscosity
Flash point - Pensky Marten closed cup method
Sulphur content of automotive fuels - Ultraviolet fluorescence method
Smoke point of kerosene, manual and automated methods
Kerosene burning characteristics - 24 hour method
Coumarin in kerosene by high performance liquid chromatography (HPLC)
Diesel and domestic heating fuels - cold filter plugging point (CFPP)
Cloud point of petroleum products - Automatic stepped cooling method
Petroleum products - Determination of cloud point (manual method)
Petroleum products - Determination of pour point
Determination of Quinizarin in Gas Oil - Spectrophotometric Method
Fatty acid methyl ester (FAME) content in middle distillates - Infrared (IR) spectrometry method
Contamination in middle distillates
Diesel fuel - Assessment of lubricity using the high-frequency reciprocating rig (HFRR)
Derived cetane number (DCN) of diesel fuel oils - Ignition delay and combustion delay using a constant volume combustion chamber method (CID)
Calculation of cetane index of middle distillate fuels by four variable equation
Oxidation stability of middle distillate fuels
Acid or base number - Colour indicator titration method
Weak or strong acid number - Potentiometric titration method
Petroleum products - Determination of water - Coulometric Karl Fischer titration method
Determination of ash *
Carbon residue - Micro method (MCRT)
Free water and particulate contamination in distillate fuels (Visual inspection procedures)
Free water and particulate contamination in distillate fuels and Haze rating - Visual inspection procedures
Electrical conductivity of aviation and distillate fuels
Fatty acid methyl esters (FAME) fuel and blends with diesel fuel - Determination of oxidation stability by accelerated oxidation method (Rancimat)
Microbiological analysis in fuels, lubricant and water samples