- Tytuł:
- Thermodynamic Properties of Ag-Pt Alloy Measured Using a Solid Electrochemical Method
- Autorzy:
-
Santoso, I.
Taskinen, P. - Powiązania:
- https://bibliotekanauki.pl/articles/351903.pdf
- Data publikacji:
- 2018
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
silver conducting electrolyte
EMF method
silver
platinum
thermodynamics - Opis:
- Although Ag-Pt system is crucial for several technological applications, investigations of the thermodynamic properties of this system are limited. In the present study, activity of silver at various temperatures in the platinum rich solid solution was measured by a solid electrochemical method and employing AgI as the solid electrolyte. The EMF was determined using a galvanic cell (–)|Ag|AgI|Ag – Pt alloy|C|Pt (+), which provided novel experimental data on thermodynamic properties of a Ag-Pt alloy. Activity, partial molar of Gibbs energy, enthalpy and entropy of silver in a solid solution containing 1 at % Ag between 573 and 673 K have been calculated. The results indicated that the activity of silver obtained in the present study shows a large positive deviation from the ideal Raoultian behavior. Microstructures of alloys with different compositions were also compared.
- Źródło:
-
Archives of Metallurgy and Materials; 2018, 63, 1; 191-197
1733-3490 - Pojawia się w:
- Archives of Metallurgy and Materials
- Dostawca treści:
- Biblioteka Nauki
Artykuł