Chemical Thermodynamics of Thorium, Volume 11

image of Chemical Thermodynamics of Thorium, Volume 11

This volume is the eleventh in the OECD Nuclear Energy Agency (NEA) “Chemical Thermodynamics” series. It is based on a critical review of the thermodynamic properties of thorium, its solid compounds and aqueous complexes, initiated as part of the NEA Thermochemical Database Project Phase III (TDB III). The database system developed at the OECD/NEA Data Bank ensures consistency not only within the recommended data sets of thorium, but also amongst all the data sets published in the series. This volume will be of particular interest to scientists carrying out performance assessments of deep geological disposal sites for radioactive waste.



Thorium Group 15 compounds and complexes

Nuclear Energy Agency

There are two solid nitrides, the semimetal compound ThN(cr), and the Th(IV) compound Th3N4(cr), both of which have a small range of homogeneity at high temperatures. Benz and Zachariasen [1966BEN/ZAC] showed that the phase previously thought to be Th2N3(cr) is in fact the oxynitride Th2N2O(cr) (see Section X.1.1.4).


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