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Multi-Function Kappabridge (MFK1-FA AGICO)
Heavy metals contamination
Determination of anthropogenic versus geogenic contamination of heavy metals
in soil adjacent to steel plant.
Chromium and Nickel are heavy
metals. Their toxicity depends upon
their oxidation states. For example, Cr
(VI) is 100 times more toxic than Cr
(III) and soluble compounds of Ni (II)
are also toxic. So their toxicity (causing
cancer and skin allergy) makes
the knowledge of their speciation in
environmental samples more crucial.
These elements can already be present
in the soil geogenically or their
concentration level may rise up due to
anthropogenic activity in any area.
Muhammad Imran Irfan
Lehrstuhl für Allgemeine und Analytische Chemie
an der MUL seit: 2008
Email: muhammad.irfan@unileoben.ac.at
www.unileoben.ac.at/allgchem
Ko-Autor: T. Meisel
Zur Person:
M.Sc. Physical Chemistry (University of Sargodha, Pakistan)
currently Ph. D. thesis at MUL
The soil of Judaskreuzsiedlung, Leoben, which is adjacent
to steel plant (Voest-alpine) is under study. It is observed
that the soil in that area contains generally more than
20% magnetic particles. The Curie point measurement by
MFK1-FA showed that these magnetic particles are mainly
magnetites (Fe 3 O 4 ). These magnetites are consisted of spherical
structure (seen under Electron Microprobe Analyzer) of
different diameters in the range of µm. Calcium, silicon and
manganese are attached to the surface of these spherical
magnetites. The study to find the possibility of other heavy
metals attached on the surface or inside the magnetites is
yet proceeding. The co-relation of magnetic susceptibility of
magnetically separated particles and concentration of heavy
metals in magnetically separated sample can lead to a better
decision about the real, i.e., anthropogenic or geogenic
source of contamination of these elements in the soil.
Magnetic particles in soil near steel
plant (Voest-alpine)
Forschungspartner:
Spherical Structure of Magnetite having Mn, Ca & Si
on surface (EMPA)
Forschungsschwerpunkte:
Heavy metals analysis, Cr and Ni
Speciation analysis
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