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Thermodynamic properties and stability of AIF-bearing Titanite CaTiOSi04-CaAIFSi04

Troitzsch, Ulrike; Ellis, David

Description

Calorimetric and experimental data on AlF-bearing titanite are presented that yield thermodynamic properties of CaAlFSiO4, as well as activity-composition relations of binary titanite CaTiOSiO4-CaAlFSiO4. The heat capacity of synthetic CaAlFSiO4 was measured with differential scanning calorimetry between 170 and 850 K: Cp = 689.96 - 0.38647T+2911300T-2 - 8356.1T-0.5 +0.00016179T2 Based on low-temperature heat capacity calculations with lattice vibrational theory (Debye model), the calorimetric...[Show more]

CollectionsANU Research Publications
Date published: 2002
Type: Journal article
URI: http://hdl.handle.net/1885/56642
Source: Contributions to Mineralogy and Petrology

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