Lead isotope composition and host phases in airborne particulate matter from Budapest, Hungary
作者： Péter Sipos , Tibor Németh , Viktória Kovács Kis
DOI: 10.1556/CEUGEOL.56.2013.1.4
关键词:
摘要: Abstract Lead is a frequent, potentially toxic pollutant of the urban environment. Its risk assessment in airborne particulate matter requires data both on its speciation and potential sources. In this paper we present results detailed mineralogical (XRD TEM) geochemical (selective chemical extractions lead isotope ratio analyses) study total suspended (TSP) samplesfrom Budapest, Hungary, to fulfill these requirements. Total concentrations showed significant enrichment studied TSP samples as compared background value. It could be associated with several host phases. The mobile fraction lead, which also harmful humans, can high 16% lead. This represented by Pb sorbed surface clay minerals form carbonates (and sulfates). On other hand, between 20 30% material hosted magnetite, highly resistant mineral. However, rapid oxidat...
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