A straightforward treatment of activity in aqueous CaCO3 solutions and the consequences for nucleation theory

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Advanced Materials. 2014, 26(5), pp. 752-757. ISSN 0935-9648. eISSN 1521-4095. Available under: doi: 10.1002/adma.201303643
Zusammenfassung

The aqueous calcium carbonate system is rigorously investigated with respect to ionic activity. Ideal treatment is found to be a good approximation at relevant concentrations. The data further show that bound CaCO3 species cannot be regarded as "inactive" during nucleation but rather appear to play a key role in the phase-separation process, and that amorphous calcium carbonate (ACC) can be precipitated from much lower levels of supersaturation than previously believed.

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ISO 690KELLERMEIER, Matthias, Andreas PICKER, Andreas KEMPTER, Helmut CÖLFEN, Denis GEBAUER, 2014. A straightforward treatment of activity in aqueous CaCO3 solutions and the consequences for nucleation theory. In: Advanced Materials. 2014, 26(5), pp. 752-757. ISSN 0935-9648. eISSN 1521-4095. Available under: doi: 10.1002/adma.201303643
BibTex
@article{Kellermeier2014-02strai-26223,
  year={2014},
  doi={10.1002/adma.201303643},
  title={A straightforward treatment of activity in aqueous CaCO3 solutions and the consequences for nucleation theory},
  number={5},
  volume={26},
  issn={0935-9648},
  journal={Advanced Materials},
  pages={752--757},
  author={Kellermeier, Matthias and Picker, Andreas and Kempter, Andreas and Cölfen, Helmut and Gebauer, Denis}
}
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