- Tytuł:
- 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. - Powiązania:
- https://bibliotekanauki.pl/articles/147916.pdf
- Data publikacji:
- 2013
- Wydawca:
- Instytut Chemii i Techniki Jądrowej
- Tematy:
-
road dusts
environmental dusts
flame spectrometry
Mössbauer spectrometry
magnetic susceptibility - Opis:
- 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.
- Źródło:
-
Nukleonika; 2013, 58, 1; 109-112
0029-5922
1508-5791 - Pojawia się w:
- Nukleonika
- Dostawca treści:
- Biblioteka Nauki
Artykuł