Journal article
Thermodynamics of CaCO3 phase transitions
Journal of Thermal Analysis, Vol.46(2), pp.353-359
1996
Abstract
Thermodynamic quantities of the aragonite → calcite transition, were evaluated using results of calorimetric investigations. (1) Dissolution enthalpies of the CaCO3 polymorphs aragonite and calcite measured near room temperature with different calorimeter, (2) the enthalpy of the spontaneous phase transformation obtained by differential scanning calorimetry, (3) heat capacities and heat capacity differences determined with a heat flux calorimeter as well as previously determined, (4)e.m.f. data on Gibbs-energies of the phase transition were processed simultaneously with an optimization routine developed recently. The optimized data set (25°C) given below corresponds reasonably with CODATA recommendations, however, the precision has markedly improved.
Details
- Title
- Thermodynamics of CaCO3 phase transitions
- Authors/Creators
- G. Wolf (Author/Creator) - TU Bergakademie FreibergJ. Lerchner (Author/Creator) - TU Bergakademie FreibergH. Schmidt (Author/Creator) - TU Bergakademie FreibergH. Gamsjäger (Author/Creator) - Montanuniversität LeobenE. Königsberger (Author/Creator) - Montanuniversität LeobenP. Schmidt (Author/Creator) - Montanuniversität Leoben
- Publication Details
- Journal of Thermal Analysis, Vol.46(2), pp.353-359
- Publisher
- John Wiley & Sons
- Identifiers
- 991005541449007891
- Copyright
- © 1996 Akadémiai Kiadó.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- International collaboration
- Citation topics
- 2 Chemistry
- 2.165 Nanofibers, Scaffolds & Fabrication
- 2.165.1082 Calcium Carbonate Crystallization
- Web Of Science research areas
- Chemistry, Analytical
- Chemistry, Physical
- Thermodynamics
- ESI research areas
- Chemistry