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Determination of Dissolved Concentrations of Polycyclic Aromatic Hydrocarbons in River

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This study shows the sensitivity of using silicone rubber passive sampler(SR-PS) andgas chromatography with mass spectrometer (GC-MS) detection for monitoring and identification of polycyclic aromatic hydrocarbons in surface water systems. The analysis was performed for eighteen PAHs compounds after pre-concentration using Soxhlet extraction method. By comparison, a total of 13 PAHs were detected in the spot water samples, of which none was quantifiable. The freely dissolved PAH concentrations were found to range from 0.17 ng/L to 0.76 ng/L at Ugieriver. The use of fluorine d10 as Performance reference compound(PRC) gives a sampling rates of 8.14 (L/day) for silicone rubber passive samplers. Analysis of PAHs concentrations suggest the contaminants are mainly from pyrolytic sources. Overall it can be concluded that SR-PS are viable alternatives in the environmental monitoring of PAHs.


International Letters of Natural Sciences (Volume 48)
M. N. Bui, "Determination of Dissolved Concentrations of Polycyclic Aromatic Hydrocarbons in River", International Letters of Natural Sciences, Vol. 48, pp. 67-80, 2015
Online since:
November 2015
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