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A New Method for the Prediction of Gibbs Free Energies of Formation of Hydrated Clay Minerals Based on the Electronegativity Scale
Beidellite Exchangeable Cations Gibbs Free Energies of Formation Hectorite Hydration Illite Montmorillonite Nontronite
2011/12/6
Abstract: A new method for the prediction of Gibbs free energies of formation for hydrated clay minerals is proposed based on the parameter ΔGO= Mz+(clay) characterizing the oxygen affinity of the cat...
Evaluation of Standard Free Energies of Formation of Clay Minerals by an Improved Regression Method
Clay minerals Free energies of formation Regression method
2011/12/29
An improved regression method for the evaluation of standard free energies of formation (ΔG°f) of clay minerals is here proposed in an attempt to remove some of the limitations of the earlier method (...
Free Energies of Formation of Illite Solid Solutions and their Compositional Dependence
Formation Free energy of formation Illite Interstitial water Solid solution Thermodynamics
2011/11/23
Abstract: Electron probe analyses of diagenetic illites in Eocene sandstones from Kettleman North Dome, California, along with analyses of coexisting interstitial waters were used to calculate apparen...
Extrapolation of Aqueous Dissolution Data to Determine Comparative Free Energies of Formation (CΔGfo), and Relative Mineral Stabilities
Dissolution Energy Formation Mineral Solubility Stability
2012/2/10
Analytical data from aqueous dissolution studies of minerals, mineral systems, and naturally equilibrated solutions such as surface waters and groundwaters provide the basic ingredients necessary to c...