Hydration energies and clay mineral thermodynamic stability. I. A fictitious averaged clay mineral.

被引：1

作者：

Tardy, Y

Duplay, J

Lassin, A

机构：

[1] Ensat, Inst Natl Polytech Toulouse, F-31326 Castanet Tolosan, France

[2] Univ Poitiers, CNRS, UMR 6532 Hydrasa, F-86022 Poitiers, France

[3] Ctr Geochim Surface, EOST, UMR 7517, F-67084 Strasbourg, France

[4] Bur Rech Geol & Minieres, F-45060 Orleans 2, France

来源：

COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DE LA TERRE ET DES PLANETES | 2001年 / 332卷 / 04期

关键词：

clay minerals; hydration energy; thermodynamic stability; dehydration isotherm; water activity;

D O I：

10.1016/S1251-8050(01)01536-1

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

By averaging large number of experimental dehydration isotherm propel-ties of various dioctahedral (Al3+ Fe3+) or trioctahedral (Mg2+, Fe2+) smectites (low interlayer charges) and verniculites (high interlayer charges) saturated by Li+, Na+, K+, Mg2+ or Ca2+, one may define a fictitious interstratified solid solution of hydrated layers. As an example of thermodynamic treatment, have been calculated as a function of water activity: water content, hydration energy, Gibbs free energies of formation, true and apparent solubility products. (C) 2001 Academie des sciences / Editions scientifiques: et medicales Elsevier SAS.

引用

页码：251 / 257

页数：7

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