Solubility of silica polymorphs in electrolyte solutions, II. Activity of aqueous silica and solid silica polymorphs in deep solutions from the sedimentary Paris Basin

Activity coefficient for aqueous silica in saline waters and brines from the Paris Basin was calculated using Pitzer's specific interaction model. Quartz and chalcedony are the only reported authigenic silica minerals in the Dogger aquifer of the Paris Basin (France). However, the measured sili...

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Veröffentlicht in:	Chemical geology 1997-08, Vol.140 (3), p.167-179
Hauptverfasser:	Azaroual, M., Fouillac, C., Matray, J.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	activity coefficient basinal brine Environmental Sciences interaction model microcrystalline phase moganite silica polymorphs
Online-Zugang:	Volltext
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