Partitioning of magnetic particles in PM10, PM2.5 and PM1 aerosols in the urban atmosphere of Barcelona (Spain).

@article{Revuelta2014PartitioningOM,
  title={Partitioning of magnetic particles in PM10, PM2.5 and PM1 aerosols in the urban atmosphere of Barcelona (Spain).},
  author={Mª. Aranzazu Revuelta and Gordon A. McIntosh and Jorge Pey and Noem{\'i} P{\'e}rez and Xavier Querol and Andr{\'e}s Alastuey},
  journal={Environmental pollution},
  year={2014},
  volume={188},
  pages={
          109-17
        }
}
A combined magnetic-chemical study of 15 daily, simultaneous PM10-PM2.5-PM1 urban background aerosol samples has been carried out. The magnetic properties are dominated by non-stoichiometric magnetite, with highest concentrations seen in PM10. Low temperature magnetic analyses showed that the superparamagnetic fraction is more abundant when coarse, multidomain particles are present, confirming that they may occur as an oxidized outer shell around coarser grains. A strong association of the… CONTINUE READING

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