Paramagnetic effects on solid state carbon-13 nuclear magnetic resonance spectra of soil organic matter.

@article{Smernik2002ParamagneticEO,
  title={Paramagnetic effects on solid state carbon-13 nuclear magnetic resonance spectra of soil organic matter.},
  author={Ronald J. Smernik and J. Malcolm Oades},
  journal={Journal of environmental quality},
  year={2002},
  volume={31 2},
  pages={
          414-20
        }
}
The effects of paramagnetic species on solid state 13C nuclear magnetic resonance (NMR) spectra were quantified in a series of doping experiments. The degree of signal loss caused by paramagnetic metals was shown to depend not only on the quantity, but also on the nature of the paramagnetic species, as well as the intimacy of contact with the organic substrate and the type of NMR experiment. Two mechanisms of signal loss were distinguished--signal loss via loss of magnetic field homogeneity… CONTINUE READING

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