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Metastability in drowning-out crystallisation: precipitation of highly soluble sulphates



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Pina Martínez, Carlos Manuel and Fernández Díaz, Lurdes and Prieto Rubio, Manuel and Veintemillas Verdagher, Sabino (2001) Metastability in drowning-out crystallisation: precipitation of highly soluble sulphates. Journal of Crystal Growth , 222 . pp. 317-327. ISSN 0022-0248

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Official URL: http://www.elsevier.nl/locate/jcrysgro


In this paper we derive equations for evaluating the supersaturation, b, and the supersaturation rate, Rb, for the drowning-out crystallisation under isothermal conditions and assuming a constant rate of the addition of the co-solvent. Such equations are applied to the drowning-out crystallisation of single and double sulphates in theM2SO4±LiSO4±H2O (M=Na, Rb) ternary systems. A linear relationship between lnRb and ln bmax, similar to that reported for the crystallisation by cooling, evaporation and chemical reaction, has been found.

Item Type:Article
Uncontrolled Keywords:Nucleation kinetics; Metastability; Sulphates; Drowning-out; Supersaturation
Subjects:Sciences > Geology > Crystallography
ID Code:14117
Deposited On:16 Jan 2012 11:00
Last Modified:08 Apr 2021 07:39

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