On the Ephemeral Occurrence of Ikaite in Aqueous Solutions between 0 and 20 °C
Samuel B. Strohm,
Sebastian A. Berghofer,
Christian Kaiser
et al.
Abstract:Nucleation and persistence of metastable ikaite (CaCO 3 •6H 2 O) in place of less soluble calcium carbonate polymorphs have important implications for the crystallization pathways of carbonate minerals and for the carbon flux in Earth's cold regions. In this study, inhibitor-free aqueous solutions (initial supersaturation Ω ikaite = 18) were used to investigate the occurrence of ikaite between 0 and 20 °C. Within this entire temperature range, a transient occurrence was detected which decreased from 28 h at 0 … Show more
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