Platinum, Lead and Cerium Concentrations of Street Particulate Matter (Frankfurt am Main, Germany)

Road dust samples were collected in and around various traffic areas in Frankfurt am Main, Germany and analyzed in terms of their chemical composition using ICP-MS, AV, XPS, TXRF and GF-AAS methods. Platinum (Pt), lead (Pb) and cerium (Ce) were the focus of analysis. Street particulate matter or dus...

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Bibliographic Details
Published in:Journal of soils and sediments 2001-09, Vol.1 (3), p.188-195
Main Authors: Zereini, Fathi, Wiseman, Clare, Magnus Beyer, Jörg, Artelt, Sabine, Urban, Hans
Format: Article
Language:English
Subjects:
Atmospheric particulates
Cerium
Chemical composition
Clay minerals
Dust
Heavy metals
Height
Inner city
Lead
Metals
Parking facilities
Parks
Parks & recreation areas
Particulate emissions
Particulate matter
Platinum
Platinum metals
Samples
Sediments
Streets
Suspended particulate matter
Traffic volume
Tunnels
X ray photoelectron spectroscopy
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Summary:Road dust samples were collected in and around various traffic areas in Frankfurt am Main, Germany and analyzed in terms of their chemical composition using ICP-MS, AV, XPS, TXRF and GF-AAS methods. Platinum (Pt), lead (Pb) and cerium (Ce) were the focus of analysis. Street particulate matter or dust is primarily composed of quartz, clay minerals, soot and organic substances and, through its transport by wind and precipitation, is a precursor for sediments and soils. Particle sizes are variable with the largest having a maximum diameter in the range of 10 to 25 µm. Sample locations included the A5/A67 Autobahn (i.e. highway), various inner city streets, two tunnels and three indoor car parks.The average Pt concentrations in the samples ranged from highest to lowest in the following order: Autobahn, inner city streets, indoor car parks and tunnels. Pb concentrations were found to display a similar trend. Ce concentrations, in contrast, exhibited a different pattern with the highest amounts being found in samples collected from the inner city.Pt concentrations in road dust appear to be positively related to both traffic density and speed of travel. Elevated Pt concentrations in particulate matter samples collected in indoor car parks, however, suggest that platinum metals can also be emitted at low speeds. The height at which samples are collected can also strongly influence the concentrations found. Specifically, samples taken at a height of
ISSN:1439-0108
1614-7480
DOI:10.1007/BF02986484