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Sunbury Laboratory Homepage > Fuel Contamination Testing Contaminated Fuel TestingExperts in laboratory analysis and identification of fuel contamination issuesAmong many other analytical capabilities, the Intertek Sunbury UK Laboratory scientists are experts in the detection of trace contaminants in fuels and helping clients locate sources of fuel contaminaton. Based upon years of experience combined with state-of-the-art laboratory instrumentation, Intertek Sunbury offers testing world-class expertise for the petroleum, chemical, polymer and other industries. Fuel Contamination Laboratory Analysis, Case Studies: Failed Aviation Fuel: A batch of aviation fuel was found to fail an oxidation test. Analysis of the fuel by gas chromatography showed that the fuel contained the same hydrocarbon profile as a good batch so the blending components were not suspect. However, analysis by HPLC revealed a low level of antioxidant although the monitors had indicated that the correct dosing rate had been metered into the blend. The fuel tank was sub-sampled at the top, middle and bottom and re-analysed. The results revealed that the blend was not homogeneous and required further mixing. The problem was traced to a mechanical fault with a circulating pump. Fuel Oil Contamination: A ship’s cargo of fuel oil was suspected to have been contaminated with molasses whilst loading. Both components are black viscous liquids of similar density and are indistinguishable to the naked eye. Significant levels of contamination would cause the ships engine to fail with a risk of becoming stranded or incur costly repair. A sample sent to Sunbury for analysis was extracted with water and examined for sugars (the main components of molasses) by HPLC with Evaporative Light Scattering Detection. The evidence suggested that the contamination was below 0.1% and the fuel was safe to use. |
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