Abstract
A method for the determination of polycyclic aromatic hydrocarbons (PAHs) in air particulates using microwave-assisted solvent extraction (MASE) coupled to a microwave extraction system (MES) is proposed. During the period of August to October, 1994, Singapore was enveloped by haze caused by forest fires in Sumatra, Indonesia. Air sampling were carried out during September and October; the determination of ambient air PAH levels in Singapore was undertaken. PAH analysis by GC-MS provided excellent sensitivity, linearity of quantitation, peak identification. This technique was evaluated using certified reference materials (CRMs) HS-4 and HS-6. Good recoveries of PAHs (>73.3%) were obtained for both CRMs. The MASE technique using MES is suitable for the determination of PAH levels in ambient air with no clean-up step required.
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Chee, K.K., Wong, M.K. & Lee, H.K. Microwave-Assisted Solvent Extraction of Air Particulates for the Determination of PAHs. Environ Monit Assess 44, 391–403 (1997). https://doi.org/10.1023/A:1005708117992
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DOI: https://doi.org/10.1023/A:1005708117992