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|Title:||Thermodynamic Properties of CaTh(PO4)2 Synthetic Cheralite|
|Authors:||MAZEINA L.; COLINEAU Eric; WASTIN Franck; KONINGS Rudy; NAVROTSKY A.; POPA K.|
|Citation:||AMERICAN MINERALOGIST vol. 93 no. 8-9 p. 1356-1362|
|Publisher:||MINERALOGICAL SOC AMER|
|Type:||Articles in periodicals and books|
|Abstract:||The mineral cheralite [CaTh(PO4)2] allows for the incorporation of tetravalent actinides in monazite-based crystalline phases. Experimental determination of its thermodynamic properties is crucial for defining its stability and subsequent long-term ability to immobilize radionuclides. Low-temperature heat capacity from 0.5 to 300 K, enthalpy increments from 485 to 1565 K, and the enthalpy of formation of cheralite from the oxides were measured and reported on for the first time.|
|JRC Directorate:||Nuclear Safety and Security|
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