Characterisation of diesel exhaust emission Using GC×GC-ToF-MS

Mohammed. S. Alam, Arumugam. S. Ramadhas, Christopher. P. Stark, Hongming Xu & Roy. M. Harrison

Samples were collected from the exhaust of a diesel engine using both filter and impaction. GC×GC-ToF-MS was exploited to characterise and quantify the composition of SVOC from the exhaust emission. Preliminary results indicate that the contribution of diesel fuel to the exhaust SVOC composition is dominant at high speeds, and a more pronounced contribution from lubricating oil is observed at low speeds. Differences were also observed in the SVOC composition when using different fuel types, engine lubricants, starting temperatures and collecting samples with and without abatement devices fitted.

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