Metastability in diffusing-reacting systems



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Prieto Rubio, Manuel and Putnis, Andrew and Fernández Díaz, Lurdes and López Andrés, Sol (1994) Metastability in diffusing-reacting systems. Journal of Crystal Growth , 142 . pp. 225-235. ISSN 0022-0248

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Nucleation in non-homogeneous diffusing-reacting systems occurs under a changing supersaturation. Under these conditions, the rate of creation of supersaturation determines the value of the supersaturation threshold at the nucleation time, i.e., the actual maximum metastability level. Measurements of metastable zone-widths and their dependence on the supersaturation rate are here reported for different carbonates and sulphates. By analogy with nucleation behaviour by continuous cooling of saturated solutions, a semiempirical relation appears to govern this dependence. Finally, this relation is checked for solutions doped with additives and metastability measurements in U-tube gel systems are proposed to compare inhibitor effectiveness.

Item Type:Article
Uncontrolled Keywords:Nucleation experiments; Metastibility; Diffusing-reacting systems
Subjects:Sciences > Geology > Crystallography
ID Code:14846
Deposited On:17 Apr 2012 08:58
Last Modified:07 Apr 2021 08:58

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