Uraninite and fullerene in atmospheric particulates.

  title={Uraninite and fullerene in atmospheric particulates.},
  author={Satoshi Utsunomiya and Keld Alstrup Jensen and Gerald J. Keeler and Rodney C. Ewing},
  journal={Environmental science & technology},
  volume={36 23},
Particulates emitted from coal-burning power plants typically contain very small amounts of uranium (<10 ppm). Because of the extremely low concentrations, the form of the uranium has been unknown. Using a variety of advanced electron microscopy techniques, we have identified for the first time nanocrystals of uraninite, UO2+x, encapsulated in carbonaceous matter (< or = 50 nm) similar to fullerene. We have also identified, for the first time, closely associated fullerenes, C60. The "carbon… CONTINUE READING

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