Chemical, magnetic and Mössbauer effect analysis of road dust from expressway

• Autorzy: Szumiata T. , Gawroński M. , Górka B. , Brzózka K. , Świetlik R. , Trojanowska M. , Strzelecka M.
• Konferencja: Proceedings of the 9th All - Polish Seminar on Mössbauer Spectroscopy OSSM'2012, 10-13 June 2012, Lublin - Kazimierz Dolny, Poland
• Języki publikacji: EN

Abstrakty

EN

Environmental dusts of urban and industrial origin are one of the most important factors responsible for air and soil pollution - mainly because of heavy metals content. In this work a dust collected from the acoustic barriers of E-77 expressway (Poland) has been investigated. Chemical analysis was performed by means of atomic absorption spectrometer with flame atomization (F-AAS). Fe, Al and Zn metals dominate in the investigated road dusts. Mossbauer spectra collected at room temperature enabled the identification of several iron-containing phases in the dust. Some traces of hematite and magnetite have been found as well as alfa-Fe phase in ferromagnetic state. A significant component could be interpreted as pure iron in paramagnetic state. The dominating doublet in the spectrum of high quadrupole splitting could correspond to iron carbonates. Complementary measurements of low-field AC magnetic susceptibility confirmed a different metal content in the road dust samples collected from different altitudes of acoustic barriers.

Słowa kluczowe

EN

road dusts; environmental dusts; flame spectrometry; Mössbauer spectrometry; magnetic susceptibility

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2013
• Tom: Vol. 58, No. 1
• Strony: 109--112
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Szumiata T.

autor

Gawroński M.

autor

Górka B.

autor

Brzózka K.

autor

Świetlik R.

autor

Trojanowska M.

autor

Strzelecka M.

• Technical University of Radom, Department of Physics, 54 Krasickiego Str., 26-600 Radom, Poland, Tel.: [phone], Fax: [phone],

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