Abstract
The applicability of the fluorescence techniques to identify the polycyclic aromatic hydrocarbons (PAHs) in environmental samples is presented. The technique of synchronous fluorescence enabled the identification of the PAHs series containing 2–6 condensed rings in urban airborne particulate matter from Upper Silesia industrial region in Poland. The results obtained by synchronous and conventional fluorescence measurements have been confirmed by those from gas chromatography-mass spectrometry. As the air sample was taken in summer season, the main source of pollution by PAHs component seems to be transport – the exhaust gases from motor vehicles.
Highlights
Polycyclic aromatic hydrocarbons (PAHs), ubiquitous today in human environment, being harmful as potentially carcinogenic or mutagenic compounds, derive from various sources: natural and anthropogenic ones
The presence of compounds identified by synchronous technique of fluorescence spectroscopy (SFS) technique has been confirmed by gas chromatography-mass spectrometry (GC-MS) method characterized here by the retention time
Simpler and better separated spectra may be obtained in this manner than in the case of conventional fluorescence analysis
Summary
Polycyclic aromatic hydrocarbons (PAHs), ubiquitous today in human environment, being harmful as potentially carcinogenic or mutagenic compounds, derive from various sources: natural and anthropogenic ones. The concentrated forms of the hydrocarbon existence are crude oils, combustible gases, solid bitumens, coals, bituminous shales, and organic-mineral associations of various natures [1]. There are frequently various PAHs as products of diagenetic, biological, or thermal processes [2–6]. All of these kinds of hydrocarbons occurrence form a geochemical background overlapped by the anthropogenic pollutions [1]. All waste organic matter emitters are especially active in an industrial region where they spread to large areas due to various meteorological phenomena. It is because the atmosphere is a zone exposed to pollution
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