کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4451515 | 1620578 | 2006 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Characterization of iron and manganese species in atmospheric aerosols from anthropogenic sources
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
علم هواشناسی
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چکیده انگلیسی
Electron paramagnetic resonance (EPR) was used to study the chemical form of iron, manganese and other paramagnetic species in airborne particles collected on southern coastal part of the North Sea, located in France. In parallel, chemical analysis was performed to obtain the metal concentrations in samples whereas an individual analysis of particles was provided by scanning electron microscopy coupled to an energy-dispersive X-ray spectrometer (SEM-EDX). EPR spectra have evidenced Fe3+ and Mn2+ ions in the form of isolated or agglomerated species, as well as carbonaceous products with variable signal intensities according to the wind direction. The monitoring of a signal of isolated Mn2+ ions on a distance close to 90Â km was proposed as tracer of particles from a Mn local emission source. Fe3+ signals are relative to agglomerated species and differences in the type of interaction between these species were evidenced following the wind direction. Fe3+ EPR signals parameters revealing antiferromagnetic contribution in Fe-rich particles were found for an industrial origin at Dunkerque.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Atmospheric Research - Volume 82, Issues 3â4, December 2006, Pages 622-632
Journal: Atmospheric Research - Volume 82, Issues 3â4, December 2006, Pages 622-632
نویسندگان
F. Ledoux, H. Laversin, D. Courcot, L. Courcot, E.A. Zhilinskaya, E. Puskaric, A. Aboukaïs,