Cit:Desarnaud.etal:2014
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| Autor | Desarnaud, J. and Derluyn, H. and Carmeliet, J. and Bonn, D. and Shahidzadeh, N. |
| Jahr | 2014 |
| Titel | Nucleation and growth of sodium chloride in confined geometries |
| Bibtex | |
| DOI | 10.5165/hawk-hhg/251 |
| Link | Datei:2 SWBSS-2014 Desarnaud etal.pdf |
| Bemerkungen | In: De Clercq, Hilde (editor): Proceedings of SWBSS 2014. Third International Conference on Salt Weathering of Buildings and Stone Sculptures Royal Institute for Cultural Heritage, Brussels, Belgium, 14-16 October 2024, S. 17-33 |
Eintrag in der Bibliographie
| [Desarnaud.etal:2014] | Desarnaud, J.; Derluyn, H.; Carmeliet, J.; Bonn, D.; Shahidzadeh, N. (2014): Nucleation and growth of sodium chloride in confined geometries. In: Hilde De Clercq (Hrsg.): Proceedings of SWBSS 2014 3rd International Conference on Salt Weathering of Buildings and Stone Sculptures,KIK-IRPA, Royal Institute for Cultural Heritage Brussels 17-33, https://doi.org/10.5165/hawk-hhg/saltwiki/2910.5165/hawk-hhg/251. |   |
Keywords[Bearbeiten]
Abstract[Bearbeiten]
Experiments on evaporation of aqueous sodium chloride solutions from micro capillaries demonstrate for the first time that there is a metastability limit to the solubility of NaCl. The supersaturation of the solution reached at the onset of crystallization is found to be very high, almost twice the saturation concentration. At this concentration, we observe a peculiar form of crystal growth: the very rapid growth of a single Hopper crystal in which many crystallites grow outwards from a single central nucleus. The high supersaturations achieved at the onset of crystal growth are found to be independent of the size, shape and surface properties of the micro capillary.