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Autor Caruso, F. and Flatt, R. J.
Jahr 2014
Titel Further steps towards the solution of Correns dilemma
DOI 10.5165/hawk-hhg/246
Link Datei:14 SWBSS-2014 Caruso 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 2019, S. 199-209

Eintrag in der Bibliographie

[Caruso.etal:2014]Caruso, F.; Flatt, R. J. (2014): Further steps towards the solution of Correns’ dilemma. 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 199-209, 10.5165/hawk-hhg/246Link zu Google ScholarLink zum Volltext


crystallization pressure, potassium alum, supersaturation, thermodynamics


Correns and Steinborns pioneering experiment is probably the most intriguing one in the field of salt crystallization. It consisted of the measurement of the force needed to prevent a monocrystal of potassium alum (potassium and aluminium sulfate dodecahydrate, KAl(SO4)212 H2O) from growing in various supersaturated solutions. What is puzzling is that they obtained very good agreement between their experimental data and an ideal equation of crystallization pressure. We report here the experimental advances in our modern reproduction of this milestone experiment. We developed a setup that includes a universal testing machine, custom-made glassware, and an external stirring system. Here, we present and comment on the data derived from the first 11 experiments. We found that many aspects of the work by Correns and his collaborators should be put into question, along with a thorough analysis of the non-ideal thermodynamics of potassium alum. Slowly, we are getting closer to answering the mystery that continues to surround this experiment.

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