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Titolo:
Data and models for calculating the standard thermodynamic properties of aqueous non-electrolyte solutes under hydrothermal conditions
Autore:
Sedlbauer, J; Majer, V;
Indirizzi:
Tech Univ Liberec, Dept Chem, Liberec 46117, Czech Republic Tech Univ Liberec Liberec Czech Republic 46117 rec 46117, Czech Republic Univ Blaise Pascal, CNRS, Lab Thermodynam Solut & Polymeres, F-63177 Aubiere, France Univ Blaise Pascal Aubiere France F-63177 meres, F-63177 Aubiere, France
Titolo Testata:
EUROPEAN JOURNAL OF MINERALOGY
fascicolo: 6, volume: 12, anno: 2000,
pagine: 1109 - 1122
SICI:
0935-1221(200011/12)12:6<1109:DAMFCT>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
PARTIAL MOLAL PROPERTIES; HIGH-PRESSURES; TRANSPORT-PROPERTIES; INFINITE-DILUTION; TEMPERATURES; CONSTANTS; WATER; VOLUMES; MPA; H2S;
Keywords:
aqueous solutions; non-electrolyte solutes; standard chemical potential; Henry's constant; heat capacity; density; thermodynamic models; hydration properties;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
51
Recensione:
Indirizzi per estratti:
Indirizzo: Sedlbauer, J Tech Univ Liberec, Dept Chem, Halkova 6, Liberec 46117, CzechRepublic Tech Univ Liberec Halkova 6 Liberec Czech Republic 46117 lic
Citazione:
J. Sedlbauer e V. Majer, "Data and models for calculating the standard thermodynamic properties of aqueous non-electrolyte solutes under hydrothermal conditions", EUR J MINER, 12(6), 2000, pp. 1109-1122

Abstract

The standard chemical potentials mu (0)(s) of aqueous solutes over a wide range of temperatures and pressures are needed to calculate phase and chemical equilibria in hydrothermal systems. The standard derivative thermodynamic properties of solutes such as enthalpies, heat capacities and volumes can be integrated to calculate mu (0)(s) at super-ambient conditions. These derivative properties can be obtained by extrapolation to infinite dilution of calorimetric and volumetric data for aqueous solutions measured as a function of concentration at various temperatures and pressures. A large amount of new experimental results has been reported over the past two decades, which allowed improvement of predictions based on equations of Helgeson, Kirkham and Flowers, among others. Several new thermodynamic models for the standard thermodynamic properties have been proposed during this period. This paper focuses on non-electrolyte solutes and provides an overview of the recent sources of experimental data. We also compare the ability of severalthermodynamic models to correlate and predict mu (0)(s).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 15/07/20 alle ore 08:36:36