Spontaneous movement of ions through calcite at standard temperature and pressure.

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Bibliographic Details
Title: Spontaneous movement of ions through calcite at standard temperature and pressure.
Authors: Stipp, S.L.S., Konnerup-Madsen, J., Franzreb, K., Kulik, A., Mathieu, H. J.
Source: Nature. 11/26/1998, Vol. 396 Issue 6709, p356. 4p. 15 Black and White Photographs.
Subjects: Calcite, Analytical geochemistry, Monovalent cations, Ionic crystals
Abstract: Presents research which concluded that calcite under standard conditions does not always behave as a closed system. Resolution limits of traditional geochemical techniques; Assumption that dry calcite is static and behaves as a closed system; Observations of solid-state diffusion at elevated temperatures; Evidence that monovalent ions accumulate in crystallites on the surface of calcite; Calcite's uptake capacity for contaminants.
Database: Psychology and Behavioral Sciences Collection
Description
Abstract:Presents research which concluded that calcite under standard conditions does not always behave as a closed system. Resolution limits of traditional geochemical techniques; Assumption that dry calcite is static and behaves as a closed system; Observations of solid-state diffusion at elevated temperatures; Evidence that monovalent ions accumulate in crystallites on the surface of calcite; Calcite's uptake capacity for contaminants.
ISSN:00280836
DOI:10.1038/24597