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Titolo:
Lippmann diagrams: Theory and application to carbonate systems
Autore:
Gamsjager, H; Konigsberger, E; Preis, W;
Indirizzi:
Montanuniv Leoben, Inst Phys Chem, A-8700 Leoben, Austria Montanuniv Leoben Leoben Austria A-8700 hys Chem, A-8700 Leoben, Austria
Titolo Testata:
AQUATIC GEOCHEMISTRY
fascicolo: 2, volume: 6, anno: 2000,
pagine: 119 - 132
SICI:
1380-6165(200006)6:2<119:LDTAAT>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOLUTE PHASE-EQUILIBRIA; AQUEOUS-SOLUTION SYSTEMS; STRONTIANITE SOLID-SOLUTIONS; REACTION PATHS; END-POINTS; THERMODYNAMIC THEORY; SOLUBILITY CONSTANT; MAGNESIAN CALCITES; TOTAL PRESSURE; 25-DEGREES-C;
Keywords:
Lippmann diagrams; phase equilibria; solubility; stoichiometric saturation; metal carbonates;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
43
Recensione:
Indirizzi per estratti:
Indirizzo: Gamsjager, H Montanuniv Leoben, Inst Phys Chem, Franz Josef Str 18, A-8700Leoben, Austria Montanuniv Leoben Franz Josef Str 18 Leoben Austria A-8700 a
Citazione:
H. Gamsjager et al., "Lippmann diagrams: Theory and application to carbonate systems", AQUAT GEOCH, 6(2), 2000, pp. 119-132

Abstract

Since 1980 when F. Lippmann's seminal paper appeared, our understanding ofsolubility equilibria involving ionic solid solutions has been advanced bytheoretical considerations as well as careful experimental studies designed to determine excess Gibbs functions. A unified theory of solid-solution aqueous-solution equilibria as well as the thermodynamic background of the phenomenon of "stoichiometric saturation'' are reviewed. It is shown that Lippmann diagrams effectively summarize the thermodynamicbasis of solid-solute aqueous-solution equilibria of sparingly soluble metal carbonate systems. Clearly, the predictive power of these diagrams may be limited due to kinetic restrictions. Only when dissolution and precipitation are essentially reversible, favourable conditions to synthesize homogeneous solid phases can be derived from studies of equilibria.

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Documento generato il 03/04/20 alle ore 03:40:20