Modified sampling and analysis method for large volatility range airborne polycyclic aromatic hydrocarbons (PAH) using gas chromatography-mass spectrometry

A sampling method has been developed for the measurement for polycyclic aromatic hydrocarbons in ambient air by gas chromatography isotope dilution mass spectrometry. The method has been designed to measure the largest possible volatility range of PAHs including the abundant naphthalenes. Sample vol...

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Bibliographic Details
Published in:Analytical and bioanalytical chemistry 1996-11, Vol.356 (6), p.396-402
Main Authors: WYBRANIEC, S, DE JONG, A. P
Format: Article
Language:English
Subjects:
Analysis methods
Applied sciences
Atmospheric pollution
Exact sciences and technology
Pollution
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Summary:A sampling method has been developed for the measurement for polycyclic aromatic hydrocarbons in ambient air by gas chromatography isotope dilution mass spectrometry. The method has been designed to measure the largest possible volatility range of PAHs including the abundant naphthalenes. Sample volumes were approx. 500 m(3) in size at a sampling rate of approx. 18 m(3)/h. The sampler contained three sorption stages for the simultaneous capturing of particle bound and low and high volatile gaseous PAH, respectivley. Recoveries of sampling spikes were on average 90%. The detection limit was approx. 5 pg/m(3) for the high boiling range PAH. Results obtained showed a quite steady profile for most PAH in background air in The Netherlands. Comparison of abundance ratios with literature data indicate that traffic exhausts are the major source for the PAH in the area.
ISSN:0937-0633
1432-1130
1618-2650
DOI:10.1007/s0021663560396