Petrol and diesel samples collected in Singapore service station were analyzed. Petrol samples had mercury concentration ranging from 0.07 to 0.68 ng/g; Diesel samples had concentrations ranging from 0.007 � 0.022 ng/g. Further testing were carried out on storage terminal samples (Petrol, Diesel, Kerosene, Naphtha). All the samples were thermally decomposited and reduced to Hg0 by catalysis and detected by cold vapor atomic fluorescence. On estimation of mercury emission to the environment thru burning of the petroleum fuels in Singapore contributes 0.51 � 4.94 kg/yr. This emission is trivial as compared to total global mercury emission to the atmosphere.

Analysis of mercury content in petroleum products

248th National Meeting (2014)

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