Excess interfacial energy change of solid/aqueous salt solution system with increasing salt concentration at a constant charge-determining ion activity based on the Gibbs equation and ionic components of charge

• Autorzy: Tomasz Ratajczak , Jan Drzymala
• Języki publikacji: EN

Abstrakty

EN

A thermodynamic equation relating the change of interfacial excess (Gibbs) energy in the solid/aqueous salt solution system, caused by a variation of concentration of inorganic salt at a constant charge-determining ion activity, temperature and pressure, is derived. The equation is based on the Gibbs equation and ionic components of charge parameters. On the basis of literature experimental data for the AgI/aqueous KNO3 and TiO2/aqueous NaCl systems it was shown that the interfacial excess energy decreases with increasing salt concentration due to variation of the ionic components of charge of the interface. [...]

Słowa kluczowe

EN

Gibbs equation; Adsorption; Surface tension; Surface charge; Jones-Ray effect

• Czasopismo: Open Chemistry
• Rocznik: 2012
• Tom: 10
• Numer: 6
• Strony: 1927-1932

Daty

wydano

2012-12-01

online

2012-09-21

Twórcy

autor

Tomasz Ratajczak

• Military Institute of Engineering Technology, 50-961, Wroclaw 43, Poland

autor

Jan Drzymala

• Department of Geoengineering, Mining and Geology Wroclaw University of Technology, 50-370, Wroclaw, Poland,

Bibliografia

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Identyfikatory

DOI

10.2478/s11532-012-0118-y